εἰκοστή Save εἰκοστή, tax of a twentieth Could not find εἰκοστῆς in Logeion dictionaries. εἰκοστῆς feminine genitive singular of εἰκοστή εἰκοστῆς feminine genitive singular of εἰκοστός See εἰκοστῆς in Morpho LSJ Middle Liddell εἰκοστή, ἡ, v. εἰκοστός ΙΙ. εἰκοστή v. εἰκοστός II.