Where does “течи” come from?

течи (Old East Slavic) comes from Proto-Slavic teťi, from Proto-Balto-Slavic tektej, from Proto-Indo-European tekʷ- — to run, to flow.

Ancestry of “течи”, step by step

StepLanguageWordMeaning
1Proto-Slavicteťito flow, run
2Proto-Balto-Slavictektej—
3Proto-Indo-Europeantekʷ-to run, to flow

Words derived from “течи”

Every word from Proto-Indo-European tekʷ- →Every word from Proto-Balto-Slavic tektej →Every word from Proto-Slavic teťi →