A phrase used by misogynist men to tell women that their only value is what they can do for the man who has them in their home. Women were treated as less than domestic servants, often with fewer rights than the male child they bore and were raising.
The ancient Greeks got in there first. The playwright Aeschylus, in Seven Against Thebes, 467 B.C., wrote: Let women stay at home and hold their peace. Of course, Aeschylus wrote in Greek and the above is a much later translation.