Sup is a contraction or aphetic of the older term ''what's up?'', Does anyone know how it has originated?

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    ..erm, Wayans family? – Cascabel Aug 30 at 9:33
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    It originated the same way all aphetic forms originate: by loss of an unstressed syllable. There are many similar cases in languages all over the world – there’s not necessarily any ‘reason’ to it. It just happens. – Janus Bahs Jacquet Aug 30 at 10:27
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    People talking. – marcellothearcane Aug 30 at 10:44
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    People talking lazily. – TripeHound Aug 30 at 12:41

what’s up? phr. Green's Dictionary of Slang The usages and dates also here. also ’sup? wassup? whassup? wha’s up? what up? whazzap? wuzzup? ’zup?

From what's up':

1855 [UK] W. Phillips Wild Tribes of London 104: Hilloh, Tom! what’s up, that you are obleeged to patch up your crab-shells? [...] Mr. Bradley [...] replies that ‘nuffin’s up’, but that times is bad.


1915 [UK] T. Burke Nights in Town 305: Some cried ‘Whassup?’.


s'up? Green's Dictionary of Slang

used as a greeting US A slurred “what’s up?”. — Connie Eble (Editor), UNC-CH Campus Slang, p. 6, Fall 1981

this term of greeting has progressed from standard grammar to the shortened lazy colloquial.

  • OED has wassup also and the earliest citation is from 1902: "A. Morrison Hole in Wall 31 Marr, ducking and lolling over the table, here looked up and said: ‘Wassup? Fiddler won' go? Gi'm twopence an' kick'm downstairs.’" – ermanen Sep 1 at 19:41
  • yes, the OED has many. I included just 3 in big jumps of time. – lbf Sep 1 at 20:57

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