Where does “твой” come from?

твой (Belarusian) comes from Old East Slavic твои, from Proto-Slavic tvojь, from Proto-Balto-Slavic twaja-, from Proto-Indo-European túh₂ — you, thou.

твой (Belarusian): your, yours, thy, thine

Definitions

  1. your, yours, thy, thine

Ancestry of “твой”, step by step

StepLanguageWordMeaning
1Old East Slavicтвоиthy, your
2Proto-Slavictvojьthy, your
3Proto-Balto-Slavictwaja-—
4Proto-Indo-Europeantúh₂you, thou
Every word from Proto-Indo-European túh₂ →Every word from Proto-Balto-Slavic twaja- →Every word from Proto-Slavic tvojь →