factor的词源

英文词源

factor (n.): early 15c., "commercial agent, deputy, one who buys or sells for another," from Middle French facteur "agent, representative" (Old French factor, faitor "doer, author, creator"), from Latin factor "doer, maker, performer," in Medieval Latin, "agent," agent noun from past participle stem of facere "to do" (see factitious). In commerce, especially "a commission merchant." Mathematical sense is from 1670s. Sense of "circumstance producing a result" is attested by 1816, from the mathematical sense.
factor (v.): 1610s, "act as an agent, manage," from factor (n.). The use in mathematics is attested from 1837. Related: Factored; factoring.

来自词根fact, 做，词源同fact,effect. 即做事情的必要条件，因素，要素等。

该词的英语词源请访问趣词词源英文版：factor 词源，factor 含义。

词根词缀： -fact-做,作 + -or物 → 起作用的部分