Where does “antiair” come from?

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

antiair (English): antiaircraft

Definitions

antiaircraft

Ancestry of “antiair”, step by step

antiair 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 English anti

Step	Language	Word	Meaning
1	English	anti	Opposed to something; That has a torsion angle...
2	English	anti-	Against, hostile to; Contrasting with the norm;...
3	Ancient Greek	ἀντι-	anti-, against; like, reminiscent of
4	Ancient Greek	ᾰ̓ντῐ́	opposite

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