ἄκυμος
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)
ον, = foreg.,
A τόπος Arist.Pr.931b31 : metaph., ἄ. βίοτος E.HF698; ψυχή Plu.2.1090b; ἄφοβον καὶ ἄ. Epicur.Fr.413.