τετρωκοστός

ή, όν, ά, όν
A. fortieth, Th. 1.60, etc.; Dor. τετρωκοστός, ά, όν, Archim. Aren. 4.10, al.; also Ion. apparently, SIG 167.17 (Mylasa, iv B.C.): but Ion. Τετρηκοστή (pr. n.) GDI 5755.5 (ibid.).
II. ἡ τεσσαρακοστή (sc. μοῖρα):
1. tax of one-fortieth, Ar. Ec. 825; ἐπίτροπος τεσσαρακοστῆς MAMA 4.113 (Lysias, i/ii A.D.).
2. a fortieth, a coin of Chios, Th. 8.101.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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