Where does “Trzeciak” come from?

Trzeciak (English) comes from Polish Trzeciak, from Polish trzeci, from Old Polish trzeci, from Proto-Slavic tretь, from Proto-Balto-Slavic tretias, from Proto-Balto-Slavic tirtias, from Proto-Indo-European tr̥tyos, from Proto-Indo-European *tréyes.

Ancestry of “Trzeciak”, step by step

StepLanguageWordMeaning
1PolishTrzeciakthird
2Polishtrzecithird
3Old Polishtrzecithird
4Proto-Slavictretьthird
5Proto-Balto-Slavictretias—
6Proto-Balto-Slavictirtias—
7Proto-Indo-Europeantr̥tyos—
8Proto-Indo-European*tréyes—
Every word from Proto-Indo-European *tréyes →Every word from Proto-Indo-European tr̥tyos →Every word from Proto-Balto-Slavic tirtias →
Trzeciak — Etymology, Origin & Word History | Etymology Explorer