Where does “-तक” come from?

-तक (Sanskrit) comes from Sanskrit तद्, from Proto-Indo-Iranian sá, from Proto-Indo-European só — this; that.

Ancestry of “-तक”, step by step

StepLanguageWordMeaning
1Sanskritतद्it; that; this
2Proto-Indo-Iraniansáhe
3Proto-Indo-Europeansóthis; that

Words derived from “-तक”

Every word from Proto-Indo-European só →Every word from Proto-Indo-Iranian sá →Every word from Sanskrit तद् →