ἀφρέω
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)
(ἀφρός)
A foam, Hp.Morb.Sacr.7, etc. II c. acc., befoam, cover with foam, ἵπποι ἄφρεον στήθεα (disyll.) Il.11.282.
German (Pape)
[Seite 414] schäumen, ἵπποι ἄφρεον στήθεα, schäumten an der Brust, Il. 11, 282.