Where does “tvůj” come from?

tvůj (Czech) comes from Old Czech tvój, from Proto-Slavic tvojь, from Proto-Balto-Slavic twaja-, from Proto-Indo-European túh₂ — you, thou.

tvůj (Czech): your, yours, thy, thine (2nd-person familiar, singular only)

Definitions

  1. your, yours, thy, thine (2nd-person familiar, singular only)

Ancestry of “tvůj”, step by step

StepLanguageWordMeaning
1Old Czechtvójyour, yours, thy, thine (2nd-person familiar, singular only)
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 →