Where does “êr” come from?

êr (Middle Low German) comes from English aïr, from Middle English aire, from Old French air, from Latin āēr, from Ancient Greek ἀήρ, from Ancient Greek auhḗr.

Ancestry of “êr”, step by step

êr traces back through two separate lines of ancestry.

via English aïr

Step	Language	Word	Meaning
1	English	aïr	—
2	Middle English	aire	air
3	Old French	air	air mixture of gases that make up the earth's atmosphere
4	Latin	āēr	air
5	Ancient Greek	ἀήρ	mist; air; wind
6	Ancient Greek	auhḗr	—

via Old Saxon ēr

Step	Language	Word	Meaning
1	Old Saxon	ēr	early
2	Proto-West Germanic	aiʀu	honour; respect, reverence
3	Proto-Germanic	aizō	fear; reverence; honour
4	Proto-Indo-European	h₂oys-éh₂	—
5	Proto-Indo-European	h₂eys-	to wish; to request

Words derived from “êr”

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