falsify (v.)youdaoicibaDictYouDict[falsify 词源字典]
mid-15c., "to prove false," from Middle French falsifier (15c.), from Late Latin falsificare "make false, corrupt," from Latin falsus "erroneous, mistaken" (see false). Meaning "to make false" is from c. 1500. Earlier verb was simply falsen (c. 1200). Related: Falsified; falsifying.[falsify etymology, falsify origin, 英语词源]