Where does “*yāša-” come from?

*yāša- (Common Turkic) comes from Proto-Turkic yāĺ, from Turkish -mek, from Ottoman Turkish ـمك — to, infinitive-forming suffix.

Ancestry of “*yāša-”, step by step

StepLanguageWordMeaning
1Proto-Turkicyāĺage; year; young, fresh, green, raw, moist;...
2Turkish-mekInfinitive ending of verbs having a front or high...
3Ottoman Turkishـمكto, infinitive-forming suffix

Words derived from “*yāša-”

Every word from Ottoman Turkish ـمك →Every word from Turkish -mek →Every word from Proto-Turkic yāĺ →
*yāša- — Etymology, Origin & Word History | Etymology Explorer