Song 6:8

6:8 sixty . . . eighty. At its peak Solomon’s harem contained many more wives and concubines than this (1 Kin. 11:13), and there is already a suggestion of its future growth in the expression “virgins without number.”

concubines. A concubine was not an illicit or casual partner, but a wife of secondary status (Gen. 25:6; 36:12; Judg. 20:4).