Where does “kolʔ-” come from?

kolʔ- (Proto-Balto-Slavic) comes from Proto-Indo-European kolH- — to raise, to lift, to build; awn.

Ancestry of “kolʔ-”, step by step

StepLanguageWordMeaning
1Proto-Indo-EuropeankolH-to raise, to lift, to build; awn
Every word from Proto-Indo-European kolH-