Here's a breakdown of its meaning and origins:
Meaning:
The proverb signifies that time will reveal the truth or resolve any problems. Just as dirty laundry is cleaned and restored through washing, time and events will reveal the truth and ultimately settle any disputes or controversies.
Origins:
The earliest recorded use of the phrase dates back to 1678, in a play titled "The Country Wife" by William Wycherley. The line "let it all come out in the wash" is spoken by a character to imply that secrets will be revealed eventually.
Evolution:
The proverb evolved over time and gained popularity in the 19th century. During that era, laundry was a significant household chore, and the image of clothes being washed and cleansed resonated with the idea of problems being solved.
Modern Usage:
Today, the phrase "it will all come out in the wash" is still used to express a belief that things will eventually be clarified or resolved. It is often used to address situations where there is uncertainty or conflict, implying that truth will prevail over time.
However, it is important to note that the phrase has become somewhat outdated in modern times. While it was once a comforting proverb, it can now be perceived as dismissive or insensitive, especially in cases where there is serious wrongdoing or harm.