Where does “vassalatge” come from?
vassalatge (Old Occitan) comes from Latin vassallaticum, from Latin vassallus, from Latin vassus, from Gaulish wassos, from Proto-Celtic wāstos, from Proto-Indo-European h₁weh₂- — to leave, abandon, give out.
vassalatge (Old Occitan): vassalage; vassaldom
Ancestry of “vassalatge”, step by step