2 Samuel 20:3

Overview - 2 Samuel 20
By occasion of the quarrel, Sheba makes a party in Israel.
David's ten concubines are put in confinement for life.
Amasa, made captain over Judah, is slain by Joab.
14 Joab pursues Sheba unto Abel.
16 A wise woman saves the city by Sheba's head.
23 David's officers.
Treasury of Scripture Knowledge

2 Samuel 20:3  (King James Version)
And David came to his house at Jerusalem; and the king took the ten women his concubines, whom he had left to keep the house, and put them in ward, and fed them, but went not in unto them. So they were shut up unto the day of their death, living in widowhood.

ten women
15:16 2 Samuel 16:21 2 Samuel 16:22

and put
The confinement and retired maintenance of these women was the only measure which in justice and prudence could be adopted. In China, when an emperor dies, all his women are removed to an edifice called the palace of chastity, situated within the palace, in which they are shut up for the remainder of their lives.

Hebrew an house of ward.
Genesis 40:3

Hebrew bound. living in widowhood. Hebrew in widowhood
of life.