οὐκ ἔστι σιγᾶν αἰσχρόν, ἀλλ' εἰκῆ λαλεῖν → keeping silence is not shameful; speaking at random is (Menander)
an-nullo: (better adn-), āvi, 1, v. a. ad-nullus,
I to annihilate, annul (eccl. Lat.): adnullabunt substantiam, Vulg. Eccli. 21, 5: adnullabitur superbia, ib. ib.; v. annihilo.