ὁμόχρως
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)
ὁ, ἡ, -χρων, τό, gen. χρωτος, = foreg., Arist.GA749a22, Thphr.Sens.37, HP9.4.10, etc.