Определение -tion в Английский Язык Английский Язык словарь
Used to form nouns meaning "the action of (a verb)" or "the result of (a verb)". Words ending in this suffix are almost always derived from a similar Latin word; a few (eg gumption) are not derived from Latin and are unrelated to any verb
gumption (no related verb).
-tion
Этимология
() From the Latin suffix -tiō, through Old French.