Where does “яйценосный” come from?

яйценосный (Russian) comes from Russian яйцо́, from Old East Slavic ꙗице, from Proto-Slavic ajьce, from Proto-Slavic ȃje, from Proto-Balto-Slavic *ṓjan, from Proto-Indo-European h₂ōwyóm, from Proto-Indo-European h₂éwis — bird.

яйценосный (Russian): oviparous, monotreme

Definitions

  1. oviparous, monotreme

Ancestry of “яйценосный”, step by step

яйценосный traces back through two separate lines of ancestry.

via Russian яйцо́

StepLanguageWordMeaning
1Russianяйцо́egg
2Old East Slavicꙗицеegg
3Proto-Slavicajьceegg
4Proto-Slavicȃjeegg amniote embryo with protective shell
5Proto-Balto-Slavic*ṓjanegg
6Proto-Indo-Europeanh₂ōwyómegg
7Proto-Indo-Europeanh₂éwisbird

via Russian носи́ть

StepLanguageWordMeaning
1Russianноси́тьto wear; carry; to bear
Every word from Proto-Indo-European h₂éwisEvery word from Proto-Indo-European h₂ōwyómEvery word from Proto-Balto-Slavic *ṓjan