τρόχιον
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)
τό, Dim. of τροχός, IG42(1).102.292 (Epid., iv B. C.), 22.1548.4, 1550.4, Hero Aut.10.2, Spir.1.16; cf. τροχεῖον,
A rotella, Gloss.
German (Pape)
[Seite 1154] τό, dim. von τροχός, s. Schäf. ad Greg. Cor. 29.
Greek (Liddell-Scott)
τρόχιον: τό, ὑποκορ. τοῦ τροχός, Ἀρχ. Μαθημ.