Where does “tchyně” come from?

tchyně (Czech) comes from Czech tchán, from Old Czech test, from Proto-Slavic tьstь, from Proto-Balto-Slavic *tíśtis, from Proto-Indo-European teḱ- — to sire, beget.

tchyně (Czech): mother-in-law

Definitions

  1. mother-in-law

Ancestry of “tchyně”, step by step

StepLanguageWordMeaning
1Czechtchánfather-in-law
2Old Czechtest—
3Proto-Slavictьstьfather-in-law
4Proto-Balto-Slavic*tíśtis—
5Proto-Indo-Europeanteḱ-to sire, beget
Every word from Proto-Indo-European teḱ- →Every word from Proto-Balto-Slavic *tíśtis →Every word from Proto-Slavic tьstь →