Etymology

falsify

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Today it means: To alter so as to make false; especially when done with intent to deceive. Full definition →

French falsifier ← Late Latin falsificāre ← Latin falsificus
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The story

  1. Latin · derived fromfalsificus
  2. Late Latin · derived fromfalsificāre“make false, corrupt, counterfeit, falsify”
  3. French · derived fromfalsifier
  4. English todayfalsify

From French falsifier, from Late Latin falsificāre (“make false, corrupt, counterfeit, falsify”), from Latin falsificus, from falsus (“false”), corresponding to false + -ify.

Etymology from Wiktionary, CC BY-SA 4.0.