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-rrhoea

British  

combining form

  1. (in pathology) a discharge or flow

    diarrhoea

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of -rrhoea

from New Latin, from Greek -rrhoia , from rhoia a flowing, from rhein to flow