Where does “infantka” come from?

infantka (Polish) comes from Polish infant, from Portuguese infante, from Old Portuguese infante, from Latin īnfāntem, from Latin īnfāns, from Latin īn-, from Latin în, from Latin en — in.

Ancestry of “infantka”, step by step

StepLanguageWordMeaning
1Polishinfantinfante
2Portugueseinfanteinfant; a soldier of the infantry; prince,...
3Old Portugueseinfantechild; prince, infante
4Latinīnfāntem
5Latinīnfānsspeechless, inarticulate
6Latinīn-un-, non-, not
7Latinînin, at, on, upon, from (space)
8Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
9Proto-Italicenin
10Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Proto-Italic en