-tion

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).

Also, -ation, -cion, -ion, -sion, -xion.

Origin

< Latin -tiōn- (stem of -tiō), equivalent to -t(us) past participle suffix + -iōn- -ion

British Dictionary definitions for -tion

-tion

suffix

indicating state, condition, action, process, or result: election, prohibition Compare -ation, -ion

Word Origin

from Old French, from Latin -tiō, -tiōn-

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.