τεσσᾰρᾰκοστ-ός, ή, όν,
fortieth, [[ 5th c.BC: Thucydides Historicus 1.60, etc.] Refs 5th c.BC+]; Doric dialect τετρωκοστός, ά, όν, [[ 3rd c.BC: Archimedes Geometra “ψαμμίτης” 4.10, +others] Refs 3rd c.BC+]; also Ionic dialect apparently, [[ “SIG” 167.17 (Mylasa, 4th c.BC)] Refs 4th c.BC+]: but Ionic dialect Τετρηκοστή (proper name) [[ “GDI” 5755.5 ([prev. passage]). ] Refs]
__II ἡ τεσσαρακοστή (i.e. μοῖρα):
__II.1 tax of one-fortieth, [[ 5th-6th c.BC: Aristophanes Comicus “Ecclesiazusae” 825; ἐπίτροπος τεσσαρακοστῆς “MAMA” 4.113 (Lysias, 1st-2nd c.AD). ] Refs 5th c.BC+]
__II.2 a fortieth, a coin of Chios, [[ 5th c.BC: Thucydides Historicus 8.101. ] Refs 5th c.BC+]