εως, ἡ,
A inhalation, opp. ἔκπνευσις, Arist.Ph.243b26.
εἴσπνευσις: -εως, ἡ, ἡ εἰσπνοή, ἐν ἀντιθ. πρὸς τὸ ἔκπνευσις, παραφρ. Ἀριστ. Φυσ. 7. 2, 5.