vēsānĭa — Lewis & Short
vēsānĭa (vaesā-), ae, f.vesanus,
I madness, insanity (very rare):
extimui, ne vos ageret vesania discors,Hor. S. 2, 3, 174:
simulata (Ulixis),Plin. 35, 11, 40, § 129:
formidabatur flagrans vesania manus,Amm. 14, 2, 15.