δεινός (root δϝι): dreadful, terrible; often
adv., δεινὸν ἀῦσαι, δεινὰ ἰδών,
etc.; in good sense, δεινός τ᾽ αἰδοἶός
τε, i. e. commanding reverence, Od.
8.22; cf. Il. 3.172, where
the scansion is to be noted, ἕκυρε δϝεινός
τε.