English
falsifier
From falsify + -er.
A compound of falsify + -er
Latin fallō ‘deceive, trick’
Latin falsus ‘false’
Latin falsificus ‘that acts falsely’
Late Latin falsificāre ‘make false, corrupt, counterfeit, falsify’
French falsifier ‘to falsify’
English falsify
Today it means
noun One that falsifies.
Language periods are conventional ranges, not dates for this word.
Etymograph / falsifier