Where does “hlý” come from?

hlý (Old Norse) comes from Old Norse hlýr, from Proto-Germanic hliwjaz, from Proto-Indo-European ḱal(w)e-.

Ancestry of “hlý”, step by step

StepLanguageWordMeaning
1Old Norsehlýrcheek; face; The sides of an axe blade, knife,...
2Proto-Germanichliwjazlukewarm
3Proto-Indo-Europeanḱal(w)e-—
Every word from Proto-Indo-European ḱal(w)e- →Every word from Proto-Germanic hliwjaz →Every word from Old Norse hlýr →