Etymology

camel case

ca·mel case

Today it means: Especially in computer programming, and in the names of brands and organizations: a style of typography in which several words are concatenated together without any spaces between them, with the first letter of each word (sometimes excluding the first word) capitalized. Full definition →

First used 1990s
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The story

From camel + case (“nature of a piece of alphabetic type”), probably modelled after lowercase and uppercase, from a fancied resemblance of the capital letters to the humps of a two-humped camel.

First known use, by meaning

  • from 1990s Especially in computer programming, and in the names of brands and organizations: a style of typography in which several words are concatenated together without any spaces between them, with the first letter of each word (sometimes excluding the first word) capitalized.

Etymology from Wiktionary, CC BY-SA 4.0.