A.fortieth, Th.1.60, etc.; Dor. τετρωκοστός , ά, όν, Archim.Aren.4.10, al.; also Ion. apparently, SIG167.17 (Mylasa, iv B.C.): but Ion. Τετρηκοστή (pr. n.) GDI5755.5 (ibid.).
II. ἡ τεσσαρακοστή (sc. μοῖρα):
2. a fortieth, a coin of Chios, Th.8.101.