Where does “wyjadaczka” come from?

wyjadaczka (Polish) comes from Polish wyjadacz, from Polish wyjadać, from Polish wy-, from Proto-Slavic vy-, from Proto-Balto-Slavic ū́, from Proto-Indo-European úd — out, outward.

Ancestry of “wyjadaczka”, step by step

StepLanguageWordMeaning
1Polishwyjadaczold hand, old sweat
2Polishwyjadaćto eat out, to remove by eating
3Polishwy-Indicates movement outwards or away
4Proto-Slavicvy-out
5Proto-Balto-Slavicū́—
6Proto-Indo-Europeanúdout, outward
Every word from Proto-Indo-European úd →Every word from Polish wy- →Every word from Proto-Balto-Slavic ū́ →