Where does “hautain” come from?

hautain (Middle English) comes from Middle English haute, from Old French haut, from Latin altus, from Proto-Italic altos, from Proto-Indo-European h₂eltós, from Proto-Indo-European h₂él- — to grow, nourish.

Ancestry of “hautain”, step by step

Step	Language	Word	Meaning
1	Middle English	haute	self-important
2	Old French	haut	high
3	Latin	altus	high, tall; deep; profound
4	Proto-Italic	altos	—
5	Proto-Indo-European	h₂eltós	—
6	Proto-Indo-European	h₂él-	to grow, nourish

Words derived from “hautain”

hauty
haultic

Every word from Proto-Indo-European h₂él- →Every word from Proto-Indo-European h₂eltós →Every word from Proto-Italic altos →