Where does “yā-” come from?

yā- (Proto-Turkic) comes from Proto-Tocharian *iyā-, from Proto-Indo-European yeh₂- — to go; to go in, enter; to ride, to travel.

Ancestry of “yā-”, step by step

StepLanguageWordMeaning
1Proto-Tocharian*iyā-to go, travel
2Proto-Indo-Europeanyeh₂-to go; to go in, enter; to ride, to travel

Words derived from “yā-”

Every word from Proto-Indo-European yeh₂- →Every word from Proto-Tocharian *iyā- →