Where does “tran-” come from?

tran- (English) comes from Latin trāns, from Latin Padus, from Lepontic Bodincus, from Proto-Indo-European bʰudʰmḗn, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “tran-”, step by step

StepLanguageWordMeaning
1Latintrānsacross, beyond
2LatinPadusthe River Po
3LeponticBodincus—
4Proto-Indo-Europeanbʰudʰmḗnbottom
5Proto-Indo-Europeandʰewbʰ-deep
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze

Words derived from “tran-”

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