Where does “tamok” come from?

tamok (Polish) comes from Polish tam, from Polish tędy, from Old Polish tędy, from Proto-Slavic tǫda, from Proto-Slavic tъ, from Proto-Balto-Slavic tas, from Proto-Indo-European só — this; that.

Ancestry of “tamok”, step by step

StepLanguageWordMeaning
1Polishtamthere; genitive plural of tama
2Polishtędythis way
3Old Polishtędythen
4Proto-Slavictǫdathere, thither
5Proto-Slavictъthis, that
6Proto-Balto-Slavictasthat
7Proto-Indo-Europeansóthis; that
Every word from Proto-Indo-European só →Every word from Proto-Balto-Slavic tas →Every word from Proto-Slavic tъ →