frenzy
Concise Oxford English Dictionary © 2008 Oxford University Press:
frenzy/ˈfrenzi/
▶noun (pl. frenzies) a state or period of uncontrolled excitement or wild behaviour.
– origin ME: from OFr. frenesie, from med. L. phrenesia, from L. phrenesis, from Gk phrēn ‘mind’.
'frenzy' also found in these Oxford entries:

