Etymology

heresy

H4E1R1E1S1Y4

Today it means: A doctrine held by a member of a religion at variance or conflict with established religious beliefs. Full definition →

Middle English heresie ← Old French heresie ← Latin haeresis
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The story

  1. Proto-Indo-European · derived from*ser-
  2. Ancient Greek · derived fromαἵρεσις“choice, system of principles”
  3. Latin · derived fromhaeresis
  4. Old French · derived fromheresie
  5. Middle English · inherited fromheresie
  6. English todayheresy

From Middle English heresie (Middle English her(esie) + -esy), from Old French heresie (modern hérésie), from Latin haeresis, from Ancient Greek αἵρεσις (haíresis, “choice, system of principles”), from αἱρέομαι (hairéomai, “to take for oneself, to choose”), the middle voice of αἱρέω (hairéō, “to take”), possibly from Proto-Indo-European *ser-; see also Welsh herw (“theft, raid”), Ancient Greek στερέω (steréō, “to deprive of”). Displaced native Old English dwild.

Words from the same roots

Proto-Indo-European*ser- all →

seriesinsertheroobserveconciergeHermessorcererSerbsorceryberserksarksortieberserkerHeratdiaeresissereseracensorcellirenic

Etymology from Wiktionary, CC BY-SA 4.0.