Where does “Guillaume” come from?
Guillaume (French) comes from Old French Guillaume, from Frankish Willahelm, from Proto-Germanic Wiljahelmaz, from Proto-Germanic helmaz, from Proto-Germanic halmaz, from Proto-Indo-European ḱolh₂mos, from Proto-Indo-European ḱelh₂- — to pierce, strike; to stick; prick; stab.
Guillaume (French): William
Ancestry of “Guillaume”, step by step
Words derived from “Guillaume”