a suffix occurring in words of Latin origin, used to form abstract nouns from verbs or stems not identical with verbs, whether as expressing action (revolution; commendation), or a state (contrition; starvation), or associated meanings (relation; temptation).
How To Use Common Punctuation MarksA discussion of each mark follows, in alphabetical order by name of mark. Also includes how to divide words; use of numerals/numbers; possessives; and common errors in punctuation. Apostrophe (‘) is used to indicate possession, contractions, and plurals. Possession: The possessive form of singular nouns ends in ‘s, including nouns ending in s, x, z, ch, or sh. For example: a dog’s life, a lass’s smile. The apostrophe …
Origin of -tion
< Latin -tiōn- (stem of -tiō), equivalent to -t(us) past participle suffix + -iōn- -ion
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British Dictionary definitions for -tion
suffix forming nouns
Word Origin for -tion
from Old French, from Latin -tiō, -tiōn-
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 -tion
syllable formed when the word-forming element -ion (from Latin -io) is fixed to a base or to another suffix ending in -t or -te.
Online Etymology Dictionary, © 2010 Douglas Harper