ἐξαιτιολογέω
From LSJ
ἐγώ εἰμι τὸ ἄλφα καὶ τὸ ὦ, ὁ πρῶτος καὶ ὁ ἔσχατος, ἡ ἀρχὴ καὶ τὸ τέλος → I am the Alpha and the Omega, the first and the last, the beginning and the end
English (LSJ)
A explain fully, τὸ ὅθεν ὁ φόβος ἐγίνετο ἐ. Epicur.Ep.1p.31U.
German (Pape)
[Seite 865] den Grund aufsuchen u. angeben, D. L. 10, 82.
Greek (Liddell-Scott)
ἐξαιτιολογέω: αἰτιολογῶ, Διογ. Λ. 10. 82.
Spanish (DGE)
averiguar, indagar la causa de τὸ ὅθεν ... ὁ φόβος ἐγίνετο ἐξαιτιολογήσομεν ὀρθῶς καὶ ἀπολύσομεν Epicur.Ep.[2] 82.