χασμώδης
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
English (LSJ)
ες,
A always yawning, D.L.4.32; τὸ χ. listlessness, Plu.2.92d. II τὸ χ. τῶν φωνηέντων hiatus, A.D.Pron.50.11.