Where does “*kōlaz” come from?

*kōlaz (Proto-Germanic) comes from Proto-Germanic kalaną, from Proto-Indo-European ǵel- — to swallow; swallow.

Ancestry of “*kōlaz”, step by step

StepLanguageWordMeaning
1Proto-Germanickalanąto be cold, to freeze
2Proto-Indo-Europeanǵel-to swallow; swallow

Words derived from “*kōlaz

Every word from Proto-Indo-European ǵel-Every word from Proto-Germanic kalaną