συκοφάντις
From LSJ
ἧς ἂν ἐπ' ἐλάχιστον ἀρετῆς πέρι ἢ ψόγου ἐν τοῖς ἄρσεσι κλέος ᾖ → of whom there is least talk either for praise or blame, of whom there is least notoriety among the men either for praise or blame
English (LSJ)
ιδος, ἡ,= συκοφάντρια, fem. of συκοφάντης (common informer, voluntary denouncer, extortioner, professional swindler, confidential agent, sycophanta, humbug, delator, false accuser, slanderer, sycophant, false adviser), Suid. A s.v. συκίνη μάχαιρα (dub.).