calumnior

Etymology
From.

Verb

 * 1) to depreciate, misrepresent, cavil at, calumniate, blame unjustly, blackmail
 * calumniare audacter, quia semper aliquid adhæret. Slander boldly, for something always sticks. – Johannes Jacobus Manlius, Locorum Communium Collectanea, page 393 (1562)
 * Manlius paraphrases Plutarch, who says the following about Medios of Larissa:
 * ἐκέλευεν οὖν θαρροῦντας ἅπτεσθαι καὶ δάκνειν ταῖς διαβολαῖς, διδάσκων ὅτι, κἂν θεραπεύσῃ τὸ ἕλκος ὁ δεδηγμένος, ἡ οὐλὴ μένει τῆς διαβολῆς. He [Medios] urged people to boldly hold fast and sink in their teeth with their slanders, teaching that even if the bitten may heal the wound, the scar of the slanders remains. – Plut. Adulator, page 17r (c. 100 AD)
 * 1) to contrive tricks, intrigue
 * 2)  to accuse falsely, bring false information against someone
 * 3)  to practise legal chicanery, trickery, or subterfuge