συμπαρομαρτέω
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 = συμπαρέπομαι, X.Cyr.1.6.24, App.Ill.27; of things, accompany, σ. πάσῃ ἡλικίᾳ τὸ κάλλος X.Smp.4.17; φόβος σ. τινί Id.Cyr.8.7.7; ὀσμαί Id.Oec.4.21, Ael.VH3.1; of symptoms, Aret.SD2.1, Steph.in Gal.1.237D.