Liddell–Scott–Jones: προᾰμυνομαι

προᾰμυνομαι [ῡ], Med. ,

A. take retaliatory measures beforehand,

Th. 3.12 .

2. c. acc.,take such measures against, τὸν ἐχθρὸν οὐχ ὧν δρᾷ μόνον, ἀλλὰ καὶ τῆς διανοίας προαμύνεσθαι χρήnot for his acts only, but for his intention also, Id. 6.38 .