Where does “airtightly” come from?

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

airtightly (English): Sealed in an airtight manner

Definitions

Sealed in an airtight manner

Ancestry of “airtightly”, step by step

Step	Language	Word	Meaning
1	English	airtight	Impermeable to air or other gases; Having no weak...
2	English	aïr	—
3	Middle English	aire	air
4	Old French	air	air mixture of gases that make up the earth's atmosphere
5	Latin	āēr	air
6	Ancient Greek	ἀήρ	mist; air; wind
7	Ancient Greek	auhḗr	—

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