元もとの鞘さやに収おさまる

expression, godan verb (-ru)

bury the hatchet; make up; be reconciled; get back together

Idiomatic expression meaning to settle a dispute and return to a previous good relationship, or for a separated couple to reunite. Often used with 夫婦 (married couple) or 喧嘩 (fight).

• あの夫ふう婦ふは喧けん嘩かしていたが、やっと元もとの鞘さやに収おさまった。

  That couple had been fighting, but they finally made up.

• 長ながい対たい立りつの後のち、両りょう国こくは元もとの鞘さやに収おさまった。

  After a long conflict, the two countries buried the hatchet.