The word camera has the peculiarity of having different meanings in a wide variety of languages and in different areas, so different from each other that one has nothing to do with the other. Its more remote origin starts from a Greek word, which was used to refer to a main room of a residential building in general.
At present the word is adaptable for many uses, among these are: The one used to designate spaces or physical locations, such as specialized rooms for certain functions, such as; the royal chamber of a castle or royal dwelling, to which only certain people were allowed to enter, the papal chamber (in the Catholic religion) an enclosure where the Pope and his right hand carry out certain tasks.
The gas chamber, as an enclosed space designed to expel toxic gases and concentrate them in such a way as to serve death or torture sentences for one or more designated individuals, of the latter there are references to the usage by the Nazi regime in the camps of concentration of the Jewish population and opponents of the war, as well as different prison entities that implemented it as a method to carry out death sentences. Refrigeration chamber, which is a space in which perishable objects are deposited in order to make them last without rotting, (meat, vegetables, medicines, scientific material, etc.) The chamber as an object or mechanical part of an object of manufacture, such as the tubular ring made of rubber that is part of the tires or wheels of different vehicles such as cars or motorcycles, or the chamber where the explosives load in various firearms goes.
The Chamber when it refers to a political or governmental body, such is the case of the Chambers of Deputies, Chambers of legislative council, when this use is given to the word, its first letter must be capitalized. The camera to name the profession that fulfills the function of managing to capture certain things on video or photographs. And finally and one of the ways in which the word is most used, camera as a technological device that fulfills the function of capturing images in the form of photography or filmography.
