Where does “Wulfhelm” come from?

Wulfhelm (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 “Wulfhelm”, step by step

Wulfhelm traces back through 3 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 wulf

StepLanguageWordMeaning
1Old Englishwulfwolf
2Proto-West Germanicwulfwolf
3Proto-Germanicwulfazwolf
4Proto-Indo-Europeanwĺ̥kʷoswolf

via Proto-Germanic *Wulfahelm

StepLanguageWordMeaning
1Proto-Germanic*Wulfahelm—
2Proto-Germanic*wulf—
Every word from Proto-Indo-European ḱelh₂- →Every word from Proto-Indo-European ḱolh₂mos →Every word from Proto-Germanic halmaz →