Where does “тре́тий” come from?
тре́тий (Russian) comes from Old East Slavic треть, from Proto-Slavic tretь, from Proto-Balto-Slavic tretias, from Proto-Balto-Slavic tirtias, from Proto-Indo-European tr̥tyos, from Proto-Indo-European *tréyes.
тре́тий (Russian): third
Ancestry of “тре́тий”, step by step
Words derived from “тре́тий”