unprovoked
From LSJ
ἐπεὰν νῶτον ὑὸς δελεάσῃ περὶ ἄγκιστρον, μετιεῖ ἐς μέσον τὸν ποταμόν, ὁ κροκόδειλος ἵεται κατὰ τὴν φωνήν, ἐντυχὼν δὲ τῷ νώτῳ καταπίνει → when he has baited a hog's back onto a hook, he throws it into the middle of the river, ... the crocodile lunges toward the voice of a squealing piglet, and having come upon the hogback, swallows it
English > Greek (Woodhouse)
adj.
Voluntary: P. and V. ἑκούσιος.
Do a thing unprovoked: P. and V. ἄρχειν τινός, or πρότερός τι ποιεῖν.
They attacked us unprovoked: P. ἐπέθεντο ἡμῖν οὐκ ἀδικούμενοι (Thuc. 3, 39).