衾：被子。生时共用一条被子，死后合一个坟墓。形容夫妻恩爱

明·洪楩《清平山堂话本·风月瑞仙亭》：“我既委身于你，乐则同乐，忧则同忧；生同衾，死同穴。”

while in life, we two share the same coverlet, and in death, we shall the same cave.