Where does “ḱolnó-” come from?

ḱolnó- (Proto-Indo-European) comes from Proto-Indo-European ḱol-, from Proto-Indo-European ḱel- — to cover; to incline.

Ancestry of “ḱolnó-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanḱol-thorn, thorny plant
2Proto-Indo-Europeanḱel-to cover; to incline
Every word from Proto-Indo-European ḱel- →Every word from Proto-Indo-European ḱol- →
ḱolnó- — Etymology, Origin & Word History | Etymology Explorer