Where does “Leofhelm” come from?

Leofhelm (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 “Leofhelm”, step by step

Leofhelm 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 lēof

StepLanguageWordMeaning
1Old Englishlēoflief, dear
2West Germanic*leub—
3Proto-Germanicleubazdear, beloved
4Proto-Indo-Europeanlewbʰ-to desire, covet, want; to admire, praise; to...
5Proto-Indo-Europeanlēw-to sound, resound, sing out; to leave
Every word from Proto-Indo-European ḱelh₂- →Every word from Proto-Indo-European ḱolh₂mos →Every word from Proto-Germanic halmaz →