prolong的词源

英文词源

prolong (v.)

early 15c., back-formation from prolongation or else from Old French prolonguer, porloignier (13c.), from Late Latin prolongare "to prolong, extend," from Latin pro- "forth" (see pro-) + longus "long" (adj.); see long (adj.). Related: Prolonged; prolonging; prolongable.

中文词源

prolong：拉长，延长

词根词缀： pro-前 + long长的 → 向前拉,向前延

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

prolong：延长

pro-,向前，long,长的。引申词义延长。