εὔσκευος
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
English (LSJ)
ον,
A well-wrought, δέμας, of a statue, dub. in App.Anth. 1.193 (Egypt).
German (Pape)
[Seite 1098] wohl gerüstet, Ggstz ἄσκευος.