From dia and ago; to pass time or life -- lead life, living.
see GREEK dia
see GREEK ago
1. to lead through, lead across, send across.
2. with τόν βίον, τόν χρόνον, etc., added or understood, to pass: βίον, 1 Timothy 2:2 (very often in Greek writings); διάγειν ἐν τίνι, namely, τόν βίον, to live (Winers Grammar, 593 (551f); Buttmann, 144 (126)), Titus 3:3 (ἐν φιλοσοφία, Plato, Phaedr., p. 259 d.; ἐν εἰρήνη καί σχολή, Plutarch, Timol. 3).