mania

/ˈmā-nē-ə/

Middle English, "mental disorder, frenzy," borrowed from Late Latin, borrowed from Greek manía "madness, frenzy," noun derivative (with -ia ) from the base of maínomai, maínesthai "to rage, rave, be frenzied, be out of one's mind," going back to an Indo-European present stem *mn̥-i̯é- (from the verbal base *men- "form a thought"), whence also Old Irish doˑmoinethar "(s/he) supposes, expects," Sanskrit mányate "(s/he) thinks," Avestan mainiieṇte "(they) consider, take for"; also as stative verbs (< *mn̥-hi̯é-?) Old Church Slavic mĭnjǫ, mĭněti "to think, suppose," Lithuanian miniù, minė́ti "to mention, commemorate"

noun

  1. excitement manifested by mental and physical hyperactivity, disorganization of behavior, and elevation of mood; specifically : the manic phase of bipolar disorder

  2. excessive or unreasonable enthusiasm —often used in combination

  3. the object of such enthusiasm

noun combining form

  1. mental illness

  2. excessive or abnormal propensity or desire

  3. absorbing interest : extreme, enthusiasm

monomania

pyromania