like or relating to an actor; dramatic
She has a rather histrionic manner of expressing herself that sometimes seems exaggerated or fake.
histrio histrionis (actor) (Latin)
Sounds like "hysteria-onic". Hysteria means a state of extreme emotion, same as histrionics. histrionic-- sounds like history. We find that most of the plays performed on stage in the theatre are from history, hence the name histrionic, theatrical.