Where does “juniorka” come from?

juniorka (Polish) comes from Polish junior, from Latin iūnior, from Latin iuvenior, from Latin iuvenis, from Proto-Italic *juwō — young.

Ancestry of “juniorka”, step by step

StepLanguageWordMeaning
1Polishjuniorjunior
2Latiniūnior—
3Latiniuvenioryounger, more youthful
4Latiniuvenisyoung; A youth, a young man, young woman, young...
5Proto-Italic*juwōyoung
Every word from Proto-Italic *juwō →Every word from Latin iuvenis →Every word from Latin iuvenior →
juniorka — Etymology, Origin & Word History | Etymology Explorer