περιδεής
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)
ές, (δέος)
A very timid or fearful, π. γενέσθαι Hdt.5.44, cf. And.4.40, Th.3.28, Isoc.2.23, Alciphr.2.4, etc.; τινι at a thing, Hdt. 7.15 ; τινος Pl.Ep.348b; π.μὴ . . Th.3.80. Adv.-εῶς in great fear, Id.6.83, etc.; πρός τινα π. σχεῖν Isoc.9.58.