independent (adj.)youdaoicibaDictYouDict[independent 词源字典]
1610s, from in- (1) "not, opposite of" + dependent. French independant is attested from c. 1600; Italian independente from 1590s. Noun meaning "person not acting as part of a political party" is from 1808. Related: Independently.[independent etymology, independent origin, 英语词源]