ἀνδρειόω
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 fill with courage, τὰ σπλάγχνα LXX 4 Ma.15.23:—Pass., become a man, Procl.Par.Ptol.89.
Greek (Liddell-Scott)
ἀνδρειόω: ἴδε ἀνδρειόομαι.