Where does “ainam” come from?

ainam (Yaqui) comes from Spanish harina, from Old Spanish farina, from Latin farīna, from Latin far, from Proto-Italic *fars, from Proto-Indo-European bʰers- — top, tip, point.

ainam (Yaqui): flour

Definitions

flour

Ancestry of “ainam”, step by step

Step	Language	Word	Meaning
1	Spanish	harina	flour; cocaine
2	Old Spanish	farina	flour
3	Latin	farīna	ground corn, flour, meal
4	Latin	far	spelt; coarse meal; grits
5	Proto-Italic	*fars	flour
6	Proto-Indo-European	bʰers-	top, tip, point

Every word from Proto-Indo-European bʰers- →Every word from Proto-Italic *fars →Every word from Latin far →