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