Where does “ـدیک” come from?

ـدیک (Chagatai) comes from Proto-Turkic *tẹg, from Proto-Turkic teg- — to reach.

Ancestry of “ـدیک”, step by step

StepLanguageWordMeaning
1Proto-Turkic*tẹg—
2Proto-Turkicteg-to reach
Every word from Proto-Turkic teg- →Every word from Proto-Turkic *tẹg →