Where does “fattily” come from?

fattily (English) comes from English fatty, from English fat, from French fat, from Old Occitan fat, from Latin fatuus, from Latin fātus, from Latin for, from Proto-Italic fāōr — to speak, to be talking.

fattily (English): In a fatty way

Definitions

  1. In a fatty way

Ancestry of “fattily”, step by step

fattily traces back through two separate lines of ancestry.

via English fatty

StepLanguageWordMeaning
1EnglishfattyContaining, composed of, or consisting of fat;...
2EnglishfatCarrying more fat than usual on one's body;...
3Frenchfatconceited
4Old Occitanfat
5Latinfatuusfoolish, silly, simple; stupid; insipid,...
6Latinfātusspoken, said, told, foretold, related, predicted; having or had spoken, etc
7Latinfor"defective"; I speak, talk, say
8Proto-Italicfāōrspeak
9Proto-Indo-Europeanbʰéh₂tito speak, to be talking

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European bʰéh₂tiEvery word from Proto-Italic fāōrEvery word from Latin for
fattily — Etymology, Origin & Word History | Etymology Explorer