permutation的词源

英文词源

permutation (n.)

mid-14c., from Old French permutacion "change, shift" (14c.), from Latin permutationem (nominative permutatio) "a change, alteration, revolution," noun of action from past participle stem of permutare "change thoroughly, exchange," from per- "thoroughly" (see per) + mutare "to change" (see mutable).

中文词源

permutation：置换，排列组合

per-,完全的，-mut,改变，词源同mutual,mutable.用于数学名词置换，排列组合。

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