- derivation (n.)
[derivation 词源字典]
- early 15c., from Middle French dérivation (14c.), from Latin derivationem (nominative derivatio) "a leading off, turning away," noun of action from past participle stem of derivare (see derive). Grammatical sense is older; general meaning "origination, descent" is from c. 1600.[derivation etymology, derivation origin, 英语词源]