Where does “wnęka” come from?

wnęka (Old Polish) comes from Old Polish -ą, from Proto-Slavic -a, from Proto-Indo-European -ōd.

Ancestry of “wnęka”, step by step

StepLanguageWordMeaning
1Old Polish-ąforms third person plural of verbs
2Proto-Slavic-aid
3Proto-Indo-European-ōd—
Every word from Proto-Indo-European -ōd →Every word from Proto-Slavic -a →Every word from Old Polish -ą →