Where does “тетъка” come from?

тетъка (Old Church Slavonic) comes from Proto-Slavic tetъka, from Proto-Slavic teta — aunt.

тетъка (Old Church Slavonic): aunt

Definitions

  1. aunt

Ancestry of “тетъка”, step by step

StepLanguageWordMeaning
1Proto-Slavictetъka—
2Proto-Slavictetaaunt
Every word from Proto-Slavic teta →Every word from Proto-Slavic tetъka →
тетъка — Etymology, Origin & Word History | Etymology Explorer