- excretion (n.)
[excretion 词源字典]
- c. 1600, "action of excreting;" 1620s, "that which is excreted," from French excrétion (16c.), from Latin excretionem (nominative excretio), noun of action from past participle stem of excernere "to sift out, separate" (see excrement).[excretion etymology, excretion origin, 英语词源]