Where does “двуглавый” come from?

двуглавый (Russian) comes from Russian -ый, from Church Slavonic -ыи, from Proto-Slavic jь, from Proto-Balto-Slavic iś, from Old Polish ić, from Proto-Slavic jьti, from Proto-Balto-Slavic eitei, from Proto-Indo-European h₁éyti — to go.

двуглавый (Russian): two-headed, double-headed, bicephalous

Definitions

  1. two-headed, double-headed, bicephalous

Ancestry of “двуглавый”, step by step

StepLanguageWordMeaning
1Russian-ыйMasculine nominative singular adjective ending;...
2Church Slavonic-ыи—
3Proto-Slavicjьthis; he
4Proto-Balto-Slaviciśthis
5Old Polishićto go
6Proto-Slavicjьtito go
7Proto-Balto-Slaviceiteito go
8Proto-Indo-Europeanh₁éytito go, to be going
9Proto-Indo-Europeanh₁ey-to go
Every word from Proto-Indo-European h₁ey- →Every word from Proto-Indo-European h₁éyti →Every word from Proto-Balto-Slavic eitei →