a suffix of adjectives expressing capability, susceptibility, liability, aptitude, etc.: agile; docile; ductile; fragile; prehensile; volatile.
Origin of -ile
From the Latin word -ilis, -īlis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for -ile
suffix forming adjectives, suffix forming nouns
indicating capability, liability, or a relationship with somethingagile; fragile; juvenile
Word Origin for -ile
via French from Latin or directly from Latin -ilis
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 -ile
suffix denoting ability, capacity, from French -il or directly from Latin -ilis.
Online Etymology Dictionary, © 2010 Douglas Harper