εἰκοστήν (eikosten)
εἰκοστήν is an Ancient Greek form of εἰκοστός, meaning “twentieth”. It is the accusative singular feminine adjective.
Found 30 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 6.54.5: … λλ’ ἀνεπιφθόνως κατεστήσατο· καὶ ἐπετήδευσαν ἐπὶ πλεῖστον δὴ τύραννοι οὗτοι ἀρετὴν καὶ ξύνεσιν, καὶ Ἀθηναίους εἰκοστὴν μόνον πρασσόμενοι τῶν γιγνομένων τήν τε πόλιν αὐτῶν καλῶς διεκόσμησαν καὶ τοὺς πολέμους διέφερον καὶ ἐς τὰ ἱε …
Hippocrates, Prognosticon 20: … ἐς τὴν ἑνδεκάτην· ἡ δὲ τετάρτη ἐς τὴν τεσσαρεσκαιδεκάτην· ἡ δὲ πέμπτη ἐς τὴν ἑπτακαιδεκάτην· ἡ δὲ ἕκτη ἐς τὴν εἰκοστήν. αὗται μὲν οὖν ἐκ τῶν ὀξυτάτων νουσημάτων διὰ τεσσάρων ἐς τὰς εἴκοσιν ἐκ προσθέσιος τελευτῶσιν. οὐ δύναται δὲ …
All forms of εἰκοστός (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.