κενοφωνία

A. vain talking, Dsc. Praef. 2: in pl., 1 Ep.Ti. 6.20, 2 Ep.Ti. 2.16, Porph. Chr. 58; ἄγραφοι κ. Just. Nov. 146.1.2.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project