- pertaining or relating directly and significantly to the matter at hand; relevant: pertinent details.
Origin of pertinent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- relating to the matter at hand; relevant
C14: from Latin pertinēns, from pertinēre to pertain
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 non-pertinent
late 14c., from Anglo-French purtinaunt (late 13c.), Old French partenant (mid-13c.) and directly from Latin pertinentem (nominative pertinens) "pertaining," present participle of pertinere "to relate, concern" (see pertain). Related: Pertinently.
Online Etymology Dictionary, © 2010 Douglas Harper