simplify (v.)youdaoicibaDictYouDict[simplify 词源字典]
1650s, from French simplifier "to make simpler" (15c.), from Medieval Latin simplificare "to simplify," from Latin simplex "simple" (see simplex) + root of facere "to make" (see factitious). Meaning "to make easier to do" is from 1759. Related: Simplified; simplifying.[simplify etymology, simplify origin, 英语词源]