Where does “приятелька” come from?

приятелька (Ukrainian) comes from Ukrainian приятель, from Old East Slavic приꙗтель, from Proto-Slavic prijateľь, from Proto-Indo-European preyH- — to love, to please.

Ancestry of “приятелька”, step by step

StepLanguageWordMeaning
1Ukrainianприятельfriend; buddy, pal
2Old East Slavicприꙗтельfriend
3Proto-Slavicprijateľьfriend
4Proto-Indo-EuropeanpreyH-to love, to please
Every word from Proto-Indo-European preyH- →Every word from Proto-Slavic prijateľь →Every word from Old East Slavic приꙗтель →