Where does “Helmiina” come from?

Helmiina (Finnish) comes from Finnish Vilhelmiina, from German Wilhelmina, from German Wilhelm, from Old High German Willahelm, from Old High German helm, from Proto-West Germanic helm, from Proto-Germanic helmaz, from Proto-Germanic halmaz — to pierce, strike; to stick; prick; stab.

Ancestry of “Helmiina”, step by step

StepLanguageWordMeaning
1FinnishVilhelmiina
2GermanWilhelmina
3GermanWilhelmWilliam
4Old High GermanWillahelmWilliam
5Old High Germanhelmhelmet
6Proto-West Germanichelmhelmet
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