origin of the word ‘captcha’

early 21st century—acronym from ‘Completely Automatic Public Turing test to tell Computers and Humans Apart’, with punning allusion to ‘capture’ and ‘gotcha’

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meaning and origin of ‘j’accuse’

1899—public accusation in response to a perceived injustice—from the title of an open letter (1898) by Émile Zola, condemning the imprisonment of Alfred Dreyfus

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origin of ‘it takes two to tango’

both parties involved in a situation or argument are equally responsible for it—USA, 1952—from ‘Takes Two to Tango’ (1952), a song by Hoffman and Manning

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the various uses of ‘out of one’s skull’

USA—‘not part of a particular exclusive group’, 1955—‘out of one’s mind’, 1958—‘smashed out of one’s skull’ (= ‘drunk’, 1963)—‘bored out of one’s skull’, 1967

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‘Miss’-‘Ms’: origin

‘miss’: unmarried woman or girl; 17th cent., short for ‘mistress’—‘Ms’: title free of reference to marital status; 20th cent., blend of ‘Mrs’ and ‘Miss’

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