Where does “my” come from?

my (Czech) comes from Old Czech my, from Proto-Slavic my, from Proto-Indo-European wéy, from Proto-Indo-European éǵh₂ — I.

my (Czech): we

Definitions

  1. we

Ancestry of “my”, step by step

StepLanguageWordMeaning
1Old Czechmywe
2Proto-Slavicmywe
3Proto-Indo-Europeanwéywe
4Proto-Indo-Europeanéǵh₂I
Every word from Proto-Indo-European éǵh₂ →Every word from Proto-Indo-European wéy →Every word from Proto-Slavic my →