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Dictionary and Etymology – Word Origin Lookup
x402
Dictionary and Etymology – Word Origin Lookup is a paid API for AI agents from dictionary-wiktionary.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-11-02).
Returns a summarised etymology (origin story) of an English word from Wiktionary, including the language chain and a source link, capped at ~400 characters.
Price / call$0.02
Success—
StatusUnknown
How this service works
Origin of an English word: Wiktionary etymology summarised to about 400 characters with the language chain and a link.
Output
Returns one or more etymology objects per word, each with a heading, a ~400-character summary of the word's origin, the languages mentioned in the chain, a truncation flag, plus metadata: the word itself, source URL, Wiktionary page link, license, data freshness timestamp, and any degraded-service flags.
Example use cases
Trivia chatbot word origin answers
“My chatbot needs to answer 'where does the word quarantine come from?' — can you look up its etymology and give me a short summary with the language chain?”
Writing tool etymology footnotes
“I'm writing an article and want to include a footnote about the origin of the word 'disaster' — fetch me its etymology from Wiktionary with the source link.”
Language learning app word history
“For my language learning app, I need the full etymology of the word 'algorithm', including every language it passed through before entering English.”
Technical details
Endpoint
GEThttps://dictionary-wiktionary.x402tookit.com/etymology?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you specifically need word origin, historical language chain, or etymological background for an English word, rather than definitions, pronunciation, or inflections. It is backed by Wiktionary's etymology sections and returns a concise human-readable summary plus structured language metadata, making it ideal for enriching content with word-history context or powering etymology-focused features.
Side effects
- Word not found on Wiktionary — empty etymologies array or null summary
- Non-English word submitted — results may be empty or unreliable
- Wiktionary page has no etymology section — etymologyCount returns 0
- Degraded response if Wiktionary is unavailable — degraded flag set to true
- Truncated etymology if source text exceeds ~400 characters — truncated flag set to true
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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