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, IG22.890, etc.; “τετάρτη ἐπὶ εἰκάδι” IG9(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.