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What do the abbreviations "Ms." and "Mrs." stand for? and why do they have a capital letters?
I mean, we use to pronounce them totally different from what we write and see, and we add them a full stop, that's why it seems to be an abbreviation of some other words.
Mrs. was once an abbreviation for "Mistress," a title used for a married woman of relatively high social status. The title for an unmarried woman of the same social stratum was "Miss." As society became more democratic in its linguistic usages, the titles lost any sense of social status other than marital. In the late 20th century, a woman's marital status came to be deemed irrelevant in most public respects, and Ms. came in as a general substitute for Mrs. and Miss. I do not believe that Ms. is itself an abbreviation, at least not of any common word. It is punctuated like Mr. and Mrs. – Jeff Morrow – 2019-11-29T01:36:16.653
They have capital letters when used as a part of someone's name. In old-fashioned usage 'miss' as a form of address for a young woman not known to the speaker would not have been written with a capital. – Kate Bunting – 2019-11-29T09:32:55.903