Where does “κάποτε” come from?

κάποτε (Byzantine Greek) comes from Ancient Greek ποτέ, from Proto-Indo-European kʷokʷe, from Proto-Indo-European kʷos, from Proto-Indo-European kʷ- — The primary interrogative root.

Ancestry of “κάποτε”, step by step

κάποτε traces back through two separate lines of ancestry.

via Ancient Greek ποτέ

StepLanguageWordMeaning
1Ancient Greekποτέat some time, once, ever; presumably, possibly;...
2Proto-Indo-Europeankʷokʷe
3Proto-Indo-EuropeankʷosSee *kʷis
4Proto-Indo-Europeankʷ-The primary interrogative root

via Ancient Greek κἄν

StepLanguageWordMeaning
1Ancient Greekκἄνeven; if, even if

Words derived from “κάποτε

Every word from Proto-Indo-European kʷ-Every word from Proto-Indo-European kʷosEvery word from Proto-Indo-European kʷokʷe