ダイヤモンド婚こん式しき

noun

diamond wedding anniversary; 60th (or 75th) wedding anniversary

Refers to the 60th or sometimes 75th wedding anniversary. The exact year can vary by tradition.

• 祖そ父ふ母ぼは今年ことしダイヤモンド婚こん式しきを迎むかえます。