histrĭōnĭa — Lewis & Short
histrĭōnĭa, ae, f. (sc. ars) [id.],
I the art of stage-playing, dramatic art:
facere histrioniam,to assume the character of an actor, Plaut. Am. prol. 90; Macr. S. 2, 10, 12:
exercere,Petr. Fr. 10.