Crying

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Middle English (in the sense ‘ask for earnestly or loudly’): from Old French crier (verb), cri (noun), from Latin quiritare ‘raise a public outcry’, literally ‘call on the Quirites (Roman citizens) for help’.

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cry +‎  -ing

etymonline

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crying (adj.)

late 14c., "roaring, shouting;" 1590s, "wailing, weeping," present-participle adjective from cry (v.). Sense of "demanding attention or remedy" is from c. 1600. U.S. colloquial expression of disgust, impatience, etc., for crying out loud, is by 1921, probably a euphemism for for Christ's sake.