The quality, state, or characteristic of having dark brown or black hair; the condition of being brunet.
Formed from 'brunet' with the abstract noun suffix '-ness,' which creates nouns describing qualities or states; a parallel formation to 'darkness' or 'paleness.'
Words ending in '-ness' let English speakers turn almost any adjective into an abstract concept—'brunetness' is uncommon now, but it perfectly shows how English builds new words by following predictable patterns.
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