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