ἐπισκότισις
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)
-εως, ἡ, and ἐπισκοτισμός, ὁ, = ἐπισκότησις (darkening, obscurity), Procl.Par.Ptol.112,119.
German (Pape)
[Seite 980] ἡ, die Verfinsterung, Procl.
Greek (Liddell-Scott)
ἐπισκότῐσις: -εως, ἡ, καὶ -ισμός, οῦ, ὁ, = ἐπισκότησις, Πρόκλ. Παράφρ. Πτολ. 2. 7, σ. 112, 2. 8, σ. 119.