Definition of proruption in English:

proruption

Pronunciation /prəʊˈrʌpʃn/

noun

rare
  • The action or an act of bursting forth. In later use chiefly: (Geography) the protrusion of part of a country, etc., out from the main body of territory; an instance of this; a region which protrudes in this way.

Origin

Mid 17th century; earliest use found in Thomas Browne (1605–1682), physician and author. From post-classical Latin proruption-, proruptio action of bursting forth from classical Latin prōrupt-, past participial stem of prōrumpere + -iō.