Where does “*ʰmaɰᴮ¹” come from?

*ʰmaɰᴮ¹ (Proto-Southwestern Tai) comes from Proto-Tai ʰmɤːlᴮ — new.

Ancestry of “*ʰmaɰᴮ¹”, step by step

Step	Language	Word	Meaning
1	Proto-Tai	ʰmɤːlᴮ	new