casually
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
by chance: P. and V. τύχῃ, P. κατὰ τύχην.
remark casually, v.; P. παραφθέγγεσθαι (absol. or acc.).