ἐνεός

Etymology
The form is similar to, but has no clear etymology. Brugmann connects the word with, but this claim is refused by Kretschmer. Furnée compares and further, hinting at a  origin.

Adjective

 * 1) dumb, mute, speechless
 * 2) senseless, stupid
 * 3) useless (of things)
 * 4) astonished, dumbfounded
 * 1) astonished, dumbfounded