etymon

名词 etymon:

1. a simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes
   同义词：root

et.y.mon

n.（名词）
【复数】 et.y.mons 或 et.y.ma [-m…]
An earlier form of a word in the same language or in an ancestor language. For example, Indo-European.duwo and Old English tw3 are etymons of Modern English two.
词的原形：在同一语言中和在祖系语言中一个词的原始形式。例如，印欧语中的duwo 和古英语中的 twa 都是现代英语中 two 的原形词
A word or morpheme from which compounds and derivatives are formed.
用于形成复合词或引申字的词或复合语
A foreign word from which a particular loanword is derived. For example, Latinduo, .two,. is an etymon of English duodecimal.
外来语的词源：某一外来语来源于某一外国语中的单词。例如，拉丁语中的duo 即是英语中 dueodecimal 这个外来语的词源

来源：
Latin
拉丁语
from Greek etumon [true sense of a word]
源自 希腊语 etumon [词的含义]
from etumos [true]
源自 etumos [真正的]