οὐδενία
From LSJ
ἀεὶ δ' ἀρέσκειν τοῖς κρατοῦσιν → always try to please your masters, always be obsequious to the masters
English (LSJ)
or οὐδένεια, ἡ, A nothingness, worthlessness, Pl.Phdr.235a, Tht.176c, Ephor.137 J., Plb.34.14.3, Ph.1.477, Ael.NA15.13, etc. (Codd. vary, e.g. in Ph. l.c., οὐδένειαν Pap., -ίαν G, οὐθένειαν cett.)
Russian (Dvoretsky)
οὐδενία: ἡ ничтожество (οὐ. καὶ ἀνανδρία Plat.).