κιθωνίσκος
From LSJ
προγράψαντες οὖν τά τε θεωρήματα καὶ τὰ ἐπιτάγματα τὰ χρεῖαν ἔχοντα εἰς τὰς ἀποδείξιας αὐτῶν μετὰ ταῦτα γραψοῦμές τοι τὰ προκείμενα → having therefore written at the beginning the theorems and the postulates that are necessary for their proofs, we will then write out for you the propositions
Greek (Liddell-Scott)
κιθωνίσκος: ὁ, = χιτωνίσκος, Ἐπιγρ. Ἀθηνῶν ἐν Ἐφ. Ἀρχ. β΄ περ. 424.