research-word-etymology
关于
This skill traces a word's origin by reconstructing its proto-language roots and identifying cognates across language families. It documents historical semantic changes with dated attestations and flags unsupported folk etymologies. Use it for investigating word origins, comparing related languages, or debunking incorrect origin stories.
快速安装
Claude Code
推荐npx skills add pjt222/agent-almanac -a claude-code/plugin add https://github.com/pjt222/agent-almanacgit clone https://github.com/pjt222/agent-almanac.git ~/.claude/skills/research-word-etymology在 Claude Code 中复制并粘贴此命令以安装该技能
技能文档
Research Word Etymology
Trace a word's origin from its modern form back through attested historical stages and reconstructed proto-language roots, identify cognates in related languages, document semantic drift with dated evidence, and flag any folk etymologies.
When to Use
- Investigating the origin and historical development of a specific word
- Comparing cognate words across related languages to find a common ancestor
- Charting how a word's meaning has changed over centuries with attestation dates
- Evaluating whether a popular origin story is genuine or a folk etymology
- Building a structured etymology entry for documentation or scholarly reference
Inputs
- Required: Target word (the modern form to research)
- Required: Source language of the target word (default: English)
- Optional: Depth of reconstruction (default: earliest reconstructable root; alternative: stop at a specific historical stage)
- Optional: Cognate languages to include (default: major branches of the same family)
- Optional: Output format (default: structured entry; alternative: narrative prose)
Procedure
Step 1: Identify the Modern Form and First Attestation
Establish the current usage and earliest documented appearance of the target word.
-
Record the modern spelling, pronunciation (IPA if possible), and primary meaning(s) in the source language.
-
Search for the earliest attested use of the word in the source language. Consult etymological dictionaries (OED for English, TLFi for French, DWDS for German) and historical corpora via WebSearch:
Search: "[target word] etymology first attested" site:etymonline.com OR site:oed.com
-
Record the attestation date, the source text, and the meaning at first attestation. Note whether the modern meaning differs from the original.
-
If the word entered the source language via borrowing, identify the immediate donor language and approximate date of borrowing.
Got: A dated first attestation with the source text identified, the meaning at first use recorded, and the immediate donor language (if borrowed) established.
If fail: If no attestation date is found in online sources, note this explicitly and proceed with the oldest available evidence. Mark the attestation as "date uncertain" and continue to Step 2.
Step 2: Trace the Etymological Chain
Work backward from the modern form through documented historical stages to the earliest reconstructable root.
-
For each historical stage, record:
- The form (spelling/transcription)
- The language and approximate date range
- The meaning at that stage
- The phonological changes from the previous stage
-
Follow this chain through attested languages first, then into reconstructed proto-languages. Use standard notation: asterisk (*) for reconstructed forms, angle brackets for graphemes, slashes for phonemes.
-
For Indo-European languages, a typical chain looks like:
- Modern form (e.g., Modern English, post-1500)
- Middle period form (e.g., Middle English, 1100-1500)
- Old period form (e.g., Old English, 450-1100)
- Proto-language form (e.g., Proto-Germanic, reconstructed)
- Deep proto-language (e.g., PIE, reconstructed)
-
For borrowed words, trace through each donor language before reaching the ultimate origin. A Latin borrowing in English might go: Modern English < Old French < Latin < PIE.
-
At each stage, note relevant sound laws that explain the phonological changes (e.g., Grimm's Law for PIE-to-Germanic consonant shifts, the Great Vowel Shift for Middle-to-Modern English vowel changes).
Got: A complete chain from modern form to earliest reconstructable root, with each stage dated, the form and meaning recorded, and sound changes explained by named phonological rules where applicable.
If fail: If the chain breaks at a particular stage (no further ancestor can be identified), mark that stage as the terminus with "origin beyond this point unknown" and proceed to Step 3 with what is available.
Step 3: Identify Cognates Across Language Families
Find words in related languages that descend from the same proto-form.
-
From the deepest reconstructed root identified in Step 2, search for reflexes (descendant forms) in other branches of the language family.
-
For each cognate, record:
- The language and modern form
- The meaning (noting any semantic divergence from the target word)
- The regular sound correspondences that connect it to the proto-form
-
Group cognates by branch. For PIE, typical branches include: Germanic, Italic (Romance), Celtic, Hellenic, Balto-Slavic, Indo-Iranian, Armenian, Albanian, Tocharian, Anatolian.
-
Verify cognates by checking that the sound correspondences are regular (systematic across multiple word sets), not just superficial resemblance. False cognates (look-alikes from unrelated roots) should be explicitly flagged and excluded.
-
Format the cognate set as a comparison table:
Root: PIE *[root] "[meaning]"
├── Germanic: English [form], German [form], Old Norse [form]
├── Italic: Latin [form] > French [form], Spanish [form], Italian [form]
├── Hellenic: Greek [form]
├── Balto-Slavic: Russian [form], Lithuanian [form]
└── Indo-Iranian: Sanskrit [form], Persian [form]
Got: A cognate set with at least 3 branches represented (where the root has surviving reflexes), each cognate verified by regular sound correspondences, and any false cognates explicitly excluded with explanation.
If fail: If the root has few surviving cognates (common for domain-specific or culturally bound vocabulary), document what exists and note the limited distribution. If the word has no cognates outside its immediate branch, state this and explain why (e.g., the word may be a substrate borrowing or an innovation within that branch).
Step 4: Document Semantic Drift
Chart how the word's meaning has changed from the proto-root to the modern form.
-
At each stage of the etymological chain (from Step 2), record the primary meaning. Where multiple senses coexist, note them all.
-
Classify each meaning change according to standard categories:
- Narrowing (specialization): meaning becomes more specific (e.g., "deer" once meant any animal)
- Broadening (generalization): meaning becomes more general (e.g., "dog" once meant a specific breed)
- Amelioration: meaning becomes more positive (e.g., "knight" from servant to noble warrior)
- Pejoration: meaning becomes more negative (e.g., "villain" from farmworker to evildoer)
- Metaphor: meaning shifts via analogy (e.g., "mouse" from rodent to computer device)
- Metonymy: meaning shifts via association (e.g., "crown" from headwear to monarchy)
-
Provide the approximate date of each semantic shift where attestation evidence supports it.
-
Format the drift as a timeline:
Semantic drift: [word]
[date/period]: "[meaning]" ([source])
[date/period]: "[meaning]" — [drift type] ([source])
[date/period]: "[meaning]" — [drift type] ([source])
Present: "[meaning]"
Got: A dated semantic drift timeline with at least the original and modern meanings, each shift classified by type, and attestation sources cited.
If fail: If intermediate stages lack clear attestation evidence, note the gap explicitly (e.g., "semantic shift from X to Y occurred between [date range] but the mechanism is not attested") and proceed with available evidence.
Step 5: Flag Folk Etymologies
Identify and evaluate any popular but incorrect origin stories associated with the word.
- Search for common folk etymologies, backronyms, or urban legends about the word:
Search: "[target word] folk etymology" OR "[target word] myth origin" OR "[target word] false etymology"
-
For each folk etymology found, document:
- The claimed origin story
- Why it is linguistically unsupported (e.g., anachronistic, phonologically impossible, no attestation evidence)
- The likely reason the folk etymology became popular (satisfying narrative, apparent plausibility, memorable acronym)
-
If no folk etymologies exist for this word, state that explicitly rather than omitting the section.
-
Use clear verdict markers:
- Confirmed: Supported by linguistic evidence
- Probable: Well-supported but not conclusively proven
- Speculative: Possible but lacking sufficient evidence
- Folk etymology (unsupported): Popular but contradicted by evidence
- Backronym: Acronym invented after the word already existed
Got: Any folk etymologies identified and debunked with linguistic evidence, or an explicit statement that no folk etymologies are known for this word.
If fail: If the status of a claimed etymology is genuinely uncertain (legitimate scholarly debate), present both sides with citations rather than forcing a verdict. Mark as "disputed" with the competing hypotheses.
Step 6: Format the Structured Etymology Entry
Compile all findings into a standardized output format.
- Assemble the entry with the following structure:
## Etymology: [word]
**Modern form**: [word] ([language], [part of speech])
**Pronunciation**: /[IPA]/
**First attested**: [date], [source text/author]
### Etymological Chain
[Modern form] ([language], [date])
< [intermediate form] ([language], [date]) "[meaning]"
< [older form] ([language], [date]) "[meaning]"
< *[proto-form] ([proto-language]) "[reconstructed meaning]"
### Cognates
[Cognate table from Step 3]
### Semantic Drift
[Timeline from Step 4]
### Folk Etymologies
[Findings from Step 5, or "None known"]
### Sources
[Etymological dictionaries and corpora consulted]
### Confidence
[Overall confidence level: certain / probable / speculative / contested]
[Notes on any gaps or uncertainties in the analysis]
-
Review the entry for internal consistency: does the etymological chain match the cognate set? Does the semantic drift timeline align with the attestation dates?
-
Add a confidence assessment for the overall etymology, noting any weak links in the chain.
Got: A complete, internally consistent etymology entry with all sections filled, sources cited, and confidence levels marked.
If fail: If any section could not be completed (e.g., no cognates found, no folk etymologies known), include the section with an explicit "not applicable" or "insufficient evidence" note rather than omitting it.
Validation
- Modern form and first attestation are recorded with a date and source
- Etymological chain traces at least two historical stages (or notes why fewer exist)
- Reconstructed forms use standard notation (asterisk prefix)
- Cognate set includes words from at least two language branches (where available)
- Sound correspondences cited are regular (not ad hoc resemblances)
- Semantic drift timeline has dated entries with classified shift types
- Folk etymologies are addressed (either debunked or noted as absent)
- Sources are cited (dictionary names, corpus names, or URLs)
- Confidence level is explicitly stated
- Entry is internally consistent (chain, cognates, and drift align)
Pitfalls
- Surface resemblance mistaken for cognacy: Words that look similar across languages are not necessarily related (e.g., English "much" and Spanish "mucho" are from different roots). Always verify with regular sound correspondences, not visual similarity.
- Confusing borrowing with inheritance: A word present in two related languages may have been borrowed from one to the other rather than inherited from a common ancestor. Check the phonological form against expected sound-law outcomes to distinguish the two.
- Treating reconstructed forms as attested: PIE roots and other proto-forms are scholarly hypotheses, not historical documents. Always mark them with asterisks and note that they are reconstructed.
- Accepting folk etymologies uncritically: Popular origin stories are often more memorable than correct etymologies. Always check for attestation evidence and phonological plausibility before accepting a claimed origin.
- Ignoring semantic drift: A word's modern meaning may be very different from its original meaning. Tracing only the form without tracking the meaning can produce misleading results.
- Stopping too early: Many online sources give only one or two stages of a word's history. Push back to the deepest available reconstruction for a complete picture.
Related Skills
manage-memory— Document etymology research findings for persistent reference across sessionsargumentation— Build and evaluate arguments about contested etymologies
GitHub 仓库
相关推荐技能
evaluating-llms-harness
测试该Skill通过60+个学术基准测试(如MMLU、GSM8K等)评估大语言模型质量,适用于模型对比、学术研究及训练进度追踪。它支持HuggingFace、vLLM和API接口,被EleutherAI等行业领先机构广泛采用。开发者可通过简单命令行快速对模型进行多任务批量评估。
cloudflare-cron-triggers
测试这个Claude Skill提供了关于Cloudflare Cron Triggers的完整知识库,用于通过cron表达式定时执行Workers。它支持配置周期性任务、维护作业和自动化工作流,并能处理常见的cron触发错误。开发者可以用它来设置定时任务、测试cron处理器,并集成Workflows和Green Compute功能。
webapp-testing
测试该Skill为开发者提供了基于Playwright的本地Web应用测试工具集,支持自动化测试前端功能、调试UI行为、捕获屏幕截图和查看浏览器日志。它包含管理服务器生命周期的辅助脚本,可直接作为黑盒工具运行而无需阅读源码。适用于需要快速验证本地Web应用界面和交互功能的开发场景。
finishing-a-development-branch
测试这个Skill用于开发分支完成后的集成决策,当代码实现完成且测试通过时,它会引导开发者选择合适的工作流。它首先验证测试状态,然后提供合并、创建PR或清理等结构化选项。核心价值在于确保代码质量的同时,标准化分支收尾流程。
