Where does “Helmstan” come from?

Helmstan (Old English) comes from Old English helm, from Proto-West Germanic helm, 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 “Helmstan”, step by step

Helmstan traces back through two separate lines of ancestry.

via Old English helm

StepLanguageWordMeaning
1Old Englishhelmhelmet; protection, defense; covering, crown
2Proto-West Germanichelmhelmet
3Proto-Germanichelmazhelmet
4Proto-Germanichalmazhalm; stem; stalk; straw; hay
5Proto-Indo-Europeanḱolh₂mosstalk
6Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

via Old English stān

StepLanguageWordMeaning
1Old Englishstānstone, rock
2Old NorseVeggrname of a dwarf
3Proto-Germanicwajjuzwall
4Proto-Indo-Europeanwh̥₁yús
5Proto-Indo-Europeanweh₁y-to twist, wind, weave, plait; to wrap, enclose,...
Every word from Proto-Indo-European ḱelh₂-Every word from Proto-Indo-European ḱolh₂mosEvery word from Proto-Germanic halmaz