τετράς
θοἰμάτιον οὐκ ἀπολώλεκ', ἀλλὰ καταπεφρόντικα → I haven't lost my himation; I've pledged it to Thought | I have not lost my himation, but I've thought it away | I have not lost my himation, but I spent it in the schools
English (LSJ)
άδος, ἡ,
A the number four, Arist.Metaph.1081b16, 1090b23, Ph.1.22, Plu.Lyc.5, etc. 2 the fourth dav of the month, h.Merc. 19, Hes.Op.794,798, Ar.Nu.1131, Th.5.54, IG12.304.50,62, etc.; so Boeot. πετράς (q.v.); τετράδι γέγονας, prov. of one born to a life of labour (cf. τετραδισταί 11), Pl.Com.100, cf. Aristonym.4, Sannyr. 5. b the fourth day of the week, Wednesday, Cod.Just.9.4.6.1. 3 a space of four days, Hp.Prog.20. 4 the four quarters of the moon, Thphr.Sign.5,27,38. II = τετραρχία 1, Hellanic.52 J. III κατὰ τετράδα διατετάχθαι in four divisions, Ascl.Tact.3.1.