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coarsen

[kawr-suh n, kohr-]
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verb (used with or without object)
  1. to make or become coarse.

Origin of coarsen

First recorded in 1795–1805; coarse + -en1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for coarsen

coarsen

verb
  1. to make or become coarse
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

Word Origin and History for coarsen

v.

1805, from coarse + -en (2). Related: Coarsened; coarsening.

Online Etymology Dictionary, © 2010 Douglas Harper