εἰκάς

άδος, ἡ

εἴκοσι

A. εἰκάδεσσι B. Scol.Oxy. 1361 Fr. 1.5: (εἴκοσι):—twentieth day of the month (sc. ἡμέρα), Hes. Op. 792,820, Plu. 2.1089c, etc.: pl., B. l. c., Epicur. Fr. 217; ἡ πρώτη, δευτέρα, etc., μετ’ εἰκάδα, εἰκάδας, the 21st, 22nd, etc., Men. 320.3, IG 22.890, etc.; τετάρτη ἐπὶ εἰκάδι IG 9(1).694.2 (Corc.): hence εἰκάδες,αἱ, the last ten days of the month, And. 1.121; σελήνην ἄγουσαν εἰκάδας Ar. Nu. 17; τρίτῃ εἰκάδι, i.e. the 23rd, Pl. Lg. 849b.
II. name of the sixth day of the Eleusinian mysteries ( = Boedromion 20), E. Ion 1076 (pl., lyr.), cf. Plu. Phoc. 28.
III. pl., divisions of a tribe, Hsch.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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