effective的词源

英文词源

effective (adj.)

late 14c., "serving to effect the intended purpose," from Old French effectif, from Latin effectivus "productive, effective," from effect-, stem of efficere (see effect (n.)). Of military forces, meaning "fit for action or duty" is from 1680s.

中文词源

effective：有效的

来自effect, 效果。

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

effective：有效的，生效的

词根词缀： ef-(=ex-)出 + -fect-做,作 + -ive形容词词尾