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scato-

American  
  1. a combining form meaning “excrement,” used in the formation of compound words.

    scatology.


scato- British  

combining form

  1. dung or excrement

    scatophagous

"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 scato-

< Greek skato-, combining form of skôr dung; akin to Old English scearn, Old Norse skarn dung