- laxative (adj.)
[laxative 词源字典]
- late 14c., from Old French laxatif (13c.), from Medieval Latin laxativus "loosening," from Latin laxatus, past participle of laxare "loosen," from laxus "loose, lax" (see lax). The noun meaning "a laxative medicine" is from late 14c.[laxative etymology, laxative origin, 英语词源]