Origin of expertise1
- to study or investigate as an expert.
Also especially British, ex·pert·ise.
Origin of expertize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- special skill, knowledge, or judgment; expertness
C19: from French: expert skill, from expert
- US to act as an expert or give an expert opinion (on)
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 expertises
1868, from French expertise (16c.) "expert appraisal, expert's report," from expert (see expert). Earlier in same sense was expertness (c.1600).
Online Etymology Dictionary, © 2010 Douglas Harper