exponent的词源

英文词源

exponent (n.)

1706, from Latin exponentem (nominative exponens), present participle of exponere "put forth" (see expound). Earliest use is the mathematical one (said to have been introduced in algebra by Descartes) for the symbol to indicate by what power the base number is to be raised. The sense of "one who expounds" is 1812. As an adjective, from 1580s.

中文词源

exponent：拥护者，鼓吹者，指数

ex-, 向外。-pon, 放置，词源同pose, component.即展开，描述美好的前景，引申义拥护，鼓吹。同时用来指数学术语指数（据说来自笛尔卡）。

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

exponent：倡导者，拥护者

词根词缀： ex-向外 + -pon-放置 + -ent名词词尾