Where does “fattishness” come from?

fattishness (English) comes from English fattish, 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.

fattishness (English): The quality of being fattish

Definitions

  1. The quality of being fattish

Ancestry of “fattishness”, step by step

fattishness traces back through two separate lines of ancestry.

via English fattish

StepLanguageWordMeaning
1EnglishfattishSomewhat 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 Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European bʰéh₂tiEvery word from Proto-Italic fāōrEvery word from Latin for
fattishness — Etymology, Origin & Word History | Etymology Explorer