- cleaning lady,
- cleaning woman,
- cleanliness is next to godliness
Origin of cleaner
mid-15c., agent noun from clean (v.). Meaning "shop that cleans clothes" is from 1873. To take (someone) to the cleaners "get all of (someone's) money" is from 1921.
take to the cleaners
Take or cheat one out of all of one's money or possessions, as in Her divorce lawyer took him to the cleaners, or That broker has taken a number of clients to the cleaners. [Slang; early 1900s]
Drub, beat up, as in He didn't just push you—he took you to the cleaners. [Slang; early 1900s]