a combination of -able and -ity, found on nouns corresponding to adjectives in -able:, capability.

Middle English -abiliteLatin -ābilitās

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To -ability
World English Dictionary
suffix forming adjectives
1.  capable of, suitable for, or deserving of (being acted upon as indicated): enjoyable; pitiable; readable; separable; washable
2.  inclined to; given to; able to; causing: comfortable; reasonable; variable
[via Old French from Latin -ābilis,-ībilis, forms of -bilis, adjectival suffix]
suffix forming adverbs
suffix forming nouns

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

suffix expressing ability, fitness, or capacity, from L. -abilitas, forming nouns from adjs. ending in -abilis (see -able). Not etymologically related to ability, though popularly connected with it.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature