Where does “trāns” come from?

trāns (Latin) comes 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 “trāns”, step by step

Step	Language	Word	Meaning
1	Latin	Padus	—
2	Lepontic	Bodincus	—
3	Proto-Indo-European	bʰudʰmḗn	bottom
4	Proto-Indo-European	dʰewbʰ-	deep
5	Proto-Indo-European	dʰewh₂-	smoke; mist, haze

Every word from Proto-Indo-European dʰewh₂- →

trāns — Etymology, Origin & Word History | Etymology Explorer