Where does “*taːjᴬ²” come from?

*taːjᴬ² (Proto-Southwestern Tai) comes from Proto-Tai *p.taːjᴬ.

Ancestry of “*taːjᴬ²”, step by step

Step	Language	Word	Meaning
1	Proto-Tai	*p.taːjᴬ	—

*taːjᴬ² — Etymology, Origin & Word History | Etymology Explorer