marriage vows; pledge of eternal love
A poetic or literary term for a vow of lifelong commitment between lovers, often implying a promise to be together in the next life as well. Compare with 二世の約束, which is more common.
See also: 二世の約束
The two exchanged vows of eternal love.
Formed from 二世 “this life and the next” and 固め “binding pledge,” denoting a marital bond extending across both lives.