εὐπνοέω
From LSJ
ψυχῆς πείρατα ἰὼν οὐκ ἂν ἐξεύροιο πᾶσαν ἐπιπορευόμενος ὁδόν· οὕτω βαθὺν λόγον ἔχει → one would never discover the limits of soul, should one traverse every road—so deep a measure does it possess
English (LSJ)
A = εὔπνοός εἰμι, Arist.Pr.896a32.
II respire freely, ὅταν εὐπνοῇ ὅλον τὸ σῶμα Philistion Fr.4.
Greek (Liddell-Scott)
εὐπνοέω: εὔπνοός εἰμι, Ἀριστ. Προβλ. 10. 48.
Russian (Dvoretsky)
εὐπνοέω: свободно или легко дышать Arst.