Where does “trétúir” come from?

trétúir (Middle Irish) comes from Middle English traytour, from Old French traïtor, from Latin trāditor, from Latin trādō, from Latin trāns, from Latin Padus, from Lepontic Bodincus, from Proto-Indo-European bʰudʰmḗn — smoke; mist, haze.

Ancestry of “trétúir”, step by step

StepLanguageWordMeaning
1Middle Englishtraytourtraitor
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 “trétúir

Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Indo-European dʰewbʰ-Every word from Proto-Indo-European bʰudʰmḗn