factional infighting; conflict between factions
Refers to internal power struggles, disputes, or antagonism between cliques within an organization, political party, or group.
Factional infighting within the party is intensifying.
After the factional conflict, the president resigned.
Compound of 派閥 (faction, clique) and 抗争 (conflict, strife). The exact historical derivation is uncertain, but the term is a straightforward Sino-Japanese compound.