προγαστρίδιος

ον, Subst., τό
A. worn in front of the belly, ὅπλισις EM 589.12.
II. Subst. προγαστρίδιον,τό, false paunch worn by actors, Luc. Salt. 27, JTr. 41.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project