Where does “ḱk-í-s ~ ḱk-éy-s” come from?

ḱk-í-s ~ ḱk-éy-s (Proto-Indo-European) comes from Proto-Indo-European ḱek- — to be able, capable.

Ancestry of “ḱk-í-s ~ ḱk-éy-s”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanḱek-to be able, capable

Words derived from “ḱk-í-s ~ ḱk-éy-s

Every word from Proto-Indo-European ḱek-