Where does “Guillotin” come from?

Guillotin (English) comes from French Guillotin, 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 — to pierce, strike; to stick; prick; stab.

Ancestry of “Guillotin”, step by step

StepLanguageWordMeaning
1FrenchGuillotinGuillotin
2FrenchGuillot
3FrenchGuillaumeWilliam
4Old FrenchGuillaume
5FrankishWillahelmWilliam
6Proto-GermanicWiljahelmaz
7Proto-Germanichelmazhelmet
8Proto-Germanichalmazhalm; stem; stalk; straw; hay
9Proto-Indo-Europeanḱolh₂mosstalk
10Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab
Every word from Proto-Indo-European ḱelh₂-Every word from Proto-Indo-European ḱolh₂mosEvery word from Proto-Germanic halmaz
Guillotin — Etymology, Origin & Word History | Etymology Explorer