Where does “traitor” come from?

Traitor comes from Middle English traitour, from Old French traitor, from Latin traditor meaning one who betrays, derived from tradere meaning to hand over, ultimately from Proto-Indo-European terh₂- meaning to cross or overcome.

traitor (English): Someone who violates an allegiance and betrays...

Definitions

  1. Someone who violates an allegiance and betrays...

Ancestry of “traitor”, step by step

StepLanguageWordMeaning
1Middle Englishtraitor
2Old FrenchtraïtorAlternative form of traitor
3Latintrāditorbetrayer, traitor
4Latintrādōto hand over, give up, deliver, transmit, surrender; impart; entrust, confide
5Latintrānsacross, beyond
6LatinPadusthe River Po
7LeponticBodincus
8Proto-Indo-Europeanbʰudʰmḗnbottom
9Proto-Indo-Europeandʰewbʰ-deep
10Proto-Indo-Europeandʰewh₂-smoke; mist, haze

Words derived from “traitor

Every word from Proto-Indo-European dʰewh₂-
traitor — Etymology, Origin & Word History | Etymology Explorer