take up the hatchet

To fight, especially in a violent manner. The feud has lasted for so long that neither family remembers why they took up the hatchet against the other.

Common Names:

Name	Pronounced	Usage
Clovis	KLO-vis (English), klo-VEES (French)	Ancient Germanic (Latinized), French
Nigellus	-	English (Archaic)
Pakpao	-	Thai
Tenzin	-	Tibetan, Bhutanese
Ottilia	oot-TEE-lee-ah	Swedish
Berardo	be-RAHR-do	Italian