pervasto
From LSJ
μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
per-vasto: āvi, ātum, 1, v. a.,
I to lay waste, devastate: fines, Liv. 6, 4: pervastatis passim agris, id. 8, 19: pervastata Italia, Tac. A. 15, 45: Boii Laevos cum pervastassent, Liv. 33, 37, 6.