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.
实用例句
1. a word of Greek derivation
由希腊语派生的词
来自《权威词典》
2. The custom is of Scottish derivation.
这风俗起源于苏格兰.
来自《简明英汉词典》
3. The derivation of its name is obscure.
其名字的由来鲜为人知。
来自辞典例句
4. The word is of old French derivation.
该词源于古法语。
来自辞典例句
5. Our derivation of the chain rule contains one flaw.
