백년해로가 · 백년해로를
a couple growing old happily together
Example
두 분이 백년해로하시기를 진심으로 바랍니다.
I sincerely hope you two will grow old happily together.
Word parts
백 hundred+년 year+해 together+로 old
Literally 'a hundred years, growing old together'.
Good to know
A classic wedding wish; pronounced [뱅년해로] — nasalization.