Where does “dwujajowy” come from?

dwujajowy (Polish) comes from Polish jajo, from Serbo-Croatian jáje, from Proto-Slavic ȃje, from Proto-Balto-Slavic *ṓjan, from Proto-Indo-European h₂ōwyóm, from Proto-Indo-European h₂éwis — bird.

dwujajowy (Polish): dizygotic, fraternal

Definitions

  1. dizygotic, fraternal

Ancestry of “dwujajowy”, step by step

StepLanguageWordMeaning
1Polishjajoegg; ovum; ball, nut
2Serbo-Croatianjájeegg
3Proto-Slavicȃjeegg amniote embryo with protective shell
4Proto-Balto-Slavic*ṓjanegg
5Proto-Indo-Europeanh₂ōwyómegg
6Proto-Indo-Europeanh₂éwisbird
Every word from Proto-Indo-European h₂éwis →Every word from Proto-Indo-European h₂ōwyóm →Every word from Proto-Balto-Slavic *ṓjan →