鴛えん鴦おうの契ちぎり

expression, noun

happy and harmonious marital relationship

A literary, idiomatic expression referring to a deeply affectionate and harmonious bond between husband and wife, often used in poetic or formal contexts.

• 二人ふたりは鴛えん鴦おうの契ちぎりを結むすび、末すえ永ながく幸しあわせに暮くらした。

  The two pledged a harmonious marriage and lived happily ever after.