Where does “forgetfulness” come from?

Forgetfulness is a Middle English formation from forgetful and the suffix -nesse, denoting the quality or state of being forgetful.

forgetfulness (English): The quality of being forgetful; proneness to let...

Definitions

  1. The quality of being forgetful; proneness to let...

Ancestry of “forgetfulness”, step by step

forgetfulness traces back through two separate lines of ancestry.

via English forgetful

StepLanguageWordMeaning
1EnglishforgetfulUnable to remember things well; liable to forget;...
2English-fulUsed to form adjectives from nouns. Full of,...
3Middle English-fulAppended to nouns to form adjectives denoting...
4Old English-fulfull of; -ful
5Proto-Germanic-fullaz-ful
6Proto-Germanicfullazfull; the whole, the entire
7Proto-Indo-Europeanpl̥h₁nósfull
8Proto-Indo-Europeanpleh₁-to fill

via Middle English forgetfulnes

StepLanguageWordMeaning
1Middle Englishforgetfulnes

Words derived from “forgetfulness

Every word from Proto-Indo-European pleh₁-
forgetfulness — Etymology, Origin & Word History | Etymology Explorer