Where does “aar” come from?

aar (Old Portuguese) comes from Old Portuguese aere, from Latin āēr, from Ancient Greek ἀήρ, from Ancient Greek auhḗr.

Ancestry of “aar”, step by step

Step	Language	Word	Meaning
1	Old Portuguese	aere	—
2	Latin	āēr	air
3	Ancient Greek	ἀήρ	mist; air; wind
4	Ancient Greek	auhḗr	—

Words derived from “aar”

Every word from Ancient Greek auhḗr →Every word from Ancient Greek ἀήρ →Every word from Latin āēr →