-ness (English)

Where does "-ness" come from?

The English noun-forming suffix ',-ness'[1] traces its lineage from the Proto-Germanic form '*-inassuz'[1], which was originally created through a false division of a stem's final consonant and an earlier suffix[1]. This ancient Germanic element developed through Proto-West Germanic '*-nassī'[1] before entering Old English as ',-nes'[1]. It subsequently shifted into Middle English as ',-nesse'[1] before arriving at its modern English form[1]. Along the way, it retained its core function of forming nouns that express a state or quality[1], matching cognates found in other Germanic languages such as German and Dutch.

Open questions

The suffix formation in Proto-Germanic relied on a false division of the final consonant of the preceding stem combined with the suffix *-assuz. [1]

Full etymology tree

-ness (English), 'Appended in general, often informally, stylistically, or jocularly, for reification of an attribute.'
- inherited -nes (Middle English), 'alternative form of -nesse'
  - inherited -nis (Old English), 'alternative form of -nes'
    - inherited *-nassī (Proto-West Germanic), 'Used to form abstract nouns, usually from adjectives, denoting quality or state; -ness'
      - inherited *-inassuz (Proto-Germanic), '-ness'
        compound *-n- (Proto-Germanic)
        compound *-assuz (Proto-Germanic), '-ness. Forms abstract nouns from verbs.'
        derived *-at-tuz (Proto-Germanic)
        compound *-at-janą (Proto-Germanic)
        inherited *-dyé- (Proto-Indo-European)
        compound *-þuz (Proto-Germanic), 'Forms result nouns from verb roots, usually from strong verbs.'
        inherited *-tus (Proto-Indo-European), 'Derives action nouns from verb roots.'

Ancestors

-nes (Middle English)
-nis (Old English)
*-nassī (Proto-West Germanic)
*-inassuz (Proto-Germanic)

Cognates and doublets

-nis (Dutch)
-nis (German)

Sources

Updated September 2026

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Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris