-ion

English

Etymology

From Latin suffix -iō (genitive -iōnis), appended to a perfect passive participle to form a noun of action.

Suffix

-ion

1. (non-productive) an action or process, or the result of an action or process

   fermentation, indentation, consumption

2. (non-productive) a state or condition

   intoxication

Derived terms

[+] English words suffixed with -ion

Related terms

• -ation
• -sis (Greek)
• -tion

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Welsh

Etymology

Cognate to Cornish -yon, Breton -ien.

Suffix

-ion

1. Noun pluralization suffix; causes vocalic ablaut in the pluralized noun
   • mab (“son”) > meibion (“sons”)