zhèn​fā​xìng

paroxysmal; paroxysm

  1. [short duration]
    Used for events, states, or natural phenomena that last for a short period of time, such as a burst of rain, a round of applause, or a spell of pain.
  2. to happen
    To occur; to take place; to come into existence
  3. xìng affix
    [-ity]
    Suffix used after verbs or adjectives to form nouns expressing a state, quality, or scope, similar to English "-ity", "-ness", or "-ism".