- hetero-
[hetero- 词源字典]
- word-forming element meaning "other, different," from comb. form of Greek heteros "the other (of two), another, different;" first element meaning "one, at one, together," from PIE *sem- "one;" the second cognate with the second element in Latin al-ter, Gothic an-þar, Old English o-ðer "other."[hetero- etymology, hetero- origin, 英语词源]