Where does “Willemsen” come from?

Willemsen (Dutch) comes from Dutch Willem, from Middle Dutch willem, from Old Dutch *Willihelm, 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.

Ancestry of “Willemsen”, step by step

StepLanguageWordMeaning
1DutchWillem
2Middle DutchwillemA male given name
3Old Dutch*Willihelm
4Proto-GermanicWiljahelmaz
5Proto-Germanichelmazhelmet
6Proto-Germanichalmazhalm; stem; stalk; straw; hay
7Proto-Indo-Europeanḱolh₂mosstalk
8Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

Words derived from “Willemsen

Every word from Proto-Indo-European ḱelh₂-
Willemsen — Etymology, Origin & Word History | Etymology Explorer