Where does “Vasseur” come from?

Vasseur (English) comes from French Vasseur, from Old French vavasour, from Medieval Latin vavassor, from Latin vassus, from Gaulish wassos, from Proto-Celtic wāstos, from Proto-Indo-European h₁weh₂- — to leave, abandon, give out.

Ancestry of “Vasseur”, step by step

StepLanguageWordMeaning
1FrenchVasseurVasseur
2Old Frenchvavasourvavasour
3Medieval Latinvavassorsubvassal; vassal of the king
4Latinvassusvassal of vassals; servant
5Gaulishwassosyoung man, squire
6Proto-Celticwāstosempty
7Proto-Indo-Europeanh₁weh₂-to leave, abandon, give out
Every word from Proto-Indo-European h₁weh₂- →Every word from Proto-Celtic wāstos →Every word from Gaulish wassos →