faction1

 
Pronunciation: /ˈfakʃ(ə)n/

noun

  • a small organized dissenting group within a larger one, especially in politics: the left-wing faction of the party
  • [mass noun] dissension within an organization: a council increasingly split by faction

Origin:

late 15th century (denoting the action of doing or making something): via French from Latin factio(n-), from facere 'do, make'