Where does “h₂ḱ-él-m̥” come from?

h₂ḱ-él-m̥ (Proto-Indo-European) comes from Proto-Indo-European h₂éḱ-ōl, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “h₂ḱ-él-m̥”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanh₂éḱ-ōl
2Proto-Indo-Europeanh₂eḱ-sharp
Every word from Proto-Indo-European h₂eḱ-Every word from Proto-Indo-European h₂éḱ-ōl