πνῖξις
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)
εως, ἡ,
A stifling, smothering, Arist.Resp.475a28, Thphr.Ign. 76. II drowning, PMag.Par.2.3,41.