分わかれ争あらそう

godan verb (-u), intransitive verb

to split and fight; to quarrel and separate

Rare term describing a group, family, or nation that becomes divided and then engages in conflict. Often implies internal strife leading to a split.

• その一いち族ぞくは遺い産さんをめぐって分わかれ争あらそった。

  The family split and fought over the inheritance.

• 国くにが分わかれ争あらそうことは悲ひ劇げきだ。

  It is a tragedy when a nation divides and fights.