Where does “tī-” come from?

tī- (Proto-Indo-European) comes from Proto-Indo-European dī-, from Proto-Indo-European deh₂-i- — to divide, cut.

Ancestry of “tī-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeandī-time
2Proto-Indo-Europeandeh₂-i-to divide, cut

Words derived from “tī-

Every word from Proto-Indo-European deh₂-i-Every word from Proto-Indo-European dī-