Where does “rottenness” come from?

Rottenness comes from Middle English rotennesse, formed from Middle English rotten plus the suffix -nesse, where rotten derives from Middle English -en applied to Latin rupta, meaning broken.

rottenness (English): The quality of being rotten

Definitions

  1. The quality of being rotten

Ancestry of “rottenness”, step by step

rottenness traces back through two separate lines of ancestry.

via English rotten

StepLanguageWordMeaning
1EnglishrottenOf perishable items, overridden with bacteria and...
2Middle EnglishrotenTo decompose; to make or become rotten or spoiled
3Middle EnglishroteThe root; The foundation or base of a...
4Old Frenchroteroute, path
5Latinruptanominative feminine singular of ruptus;...
6Latinruptusbroken; ruptured, burst
7Latinrumpōto break, burst, tear, rend, rupture; break asunder, force open
8Proto-Indo-EuropeanHrunéptito be breaking
9Proto-Indo-EuropeanHrewp-to break, tear
10Proto-Indo-EuropeanHrew-to tear out, dig out, open, acquire

via Middle English rotennesse

StepLanguageWordMeaning
1Middle EnglishrotennesseRotting or decomposition; the situation where...
2Middle English-nesseAffixed to adjectives to form abstract nouns...
3Old English-nesUsed to form abstract nouns, usually from...
4Proto-West Germanic-nassīUsed to form abstract nouns, usually from...
5Proto-Germanic-inassuz-ness
6Proto-West Germanic-ness, -th
7Proto-Germanic-į̄-th
8Proto-Indo-European-íh₂
9Proto-Indo-European-h₂Creates collective nouns, which refer to groups...
Every word from Proto-Indo-European Hrew-