Charlady

From char ("chore") + lady.

Full definition of charlady

(plural charladies)

(chiefly archaic or historical) A woman who cleans houses and offices as an occupation.

1920, H. C. McNeile, , Chapter 9: In Which He Has a Near Shave,"Then we'll move." And Peter, watching the car resignedly from the window, saw the American grip his seat with both hands, and then raise them suddenly in silent prayer, while an elderly charlady fled with a scream to the safety of the area below.
1949, Frank Swinnerton, Charladies, in Tokefield Papers, Old and New, charladies%22&hl=en&ei=w9wVTueyMKrPmAX22cww&sa=X&oi=book_result&ct=result&resnum=2&ved=0CDUQ6AEwAQ#v=onepage&q=%22charlady|charladies%22&f=false page 163,MOST of the charladies to be met with in novels and plays are comic characters. ... This ridicule of a whole class does not mean that novelists and dramatists hate charladies, but only that the novelist and dramatist is never quite master of his own book or his own play.
2005, Owen Gibson, The Guardian, 8 Dec 2005:He is shown choking back tears as he discovers that his great, great, great grandmother was a charlady in Scotland who died in her thirties of tuberculosis and exhaustion.