Origin: Germanic Old English prefix
Bedroom has 2 different meanings across 1 category:
a room used primarily for sleeping
"After cleaning up the toys from the play area, she finally made sure her bedroom was ready for sleep."
A room in a house where a bed is kept for sleeping.
"After hanging out in the living room all evening, I finally retreated to my bedroom to get some sleep."
In plain English: A bedroom is a room in a house where people sleep and keep their personal belongings.
"The guest is staying in the spare bedroom tonight."
Usage: Use bedroom to refer specifically to a room in a house or apartment designed for sleeping and furnished with a bed. Do not use it to describe any other type of room, such as a living area or office, even if a bed happens to be present there temporarily.
The word bedroom is a straightforward combination of the words bed and room. It has always referred to a space containing a bed, so its meaning has not shifted over time.