Where does “unfattening” come from?

unfattening (English) comes from English fattening, from English fatten, from English -en, from Middle English -en, from Old English -en, from Old Norse -inn, from Proto-Norse -īna-, from Proto-Germanic -īnaz — adjectival suffix.

unfattening (English): Not fattening

Definitions

  1. Not fattening

Ancestry of “unfattening”, step by step

unfattening traces back through two separate lines of ancestry.

via English fattening

StepLanguageWordMeaning
1EnglishfatteningThat causes weight gain; often of high calorie...
2EnglishfattenTo cause to be fat or fatter; To become fat or...
3English-enDenotes the past participle form when attached to...
4Middle English-enDenotes the past participle form when attached to...
5Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
6Old Norse-innUsed to create adjectives from nouns, meaning...
7Proto-Norse-īna-
8Proto-Germanic-īnaz-en
9Proto-Indo-European-iHnosCreates adjectives of materials
10Proto-Indo-European-no-adjectival suffix

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European -no-Every word from Middle English -enEvery word from English -en
unfattening — Etymology, Origin & Word History | Etymology Explorer