Where does “tribun” come from?

tribun (Old French) comes from Latin tribūnus, from Latin tribus, from Latin trēs, from Proto-Italic trēs, from Proto-Indo-European *tréyes.

Ancestry of “tribun”, step by step

StepLanguageWordMeaning
1Latintribūnuschief of a tribe
2LatintribusOne of the three original tribes of Rome: Ramnes,...
3Latintrēsthree; 3
4Proto-Italictrēsthree
5Proto-Indo-European*tréyes—

Words derived from “tribun”

Every word from Proto-Indo-European *tréyes →Every word from Proto-Italic trēs →Every word from Latin trēs →