Where does “fatheaded” come from?

fatheaded (English) comes from English headed, from English head, from English -y, from Middle English -y, from Old English -iġ, from Proto-West Germanic -g, from Proto-Germanic -gaz, from Proto-Indo-European -ḱos — -y, -ic.

fatheaded (English): Characteristic of a fathead; stupid

Definitions

  1. Characteristic of a fathead; stupid

Ancestry of “fatheaded”, step by step

fatheaded traces back through two separate lines of ancestry.

via English headed

StepLanguageWordMeaning
1EnglishheadedOf a sheet of paper: having the sender's name,...
2EnglishheadThe part of the body of an animal or human which...
3English-yAdded to nouns and adjectives to form adjectives...
4Middle English-yDesignates an adjective, in many cases formed by...
5Old English-iġ-y, -ic
6Proto-West Germanic-gForms adjectives from nouns and verbs with a...
7Proto-Germanic-gaz-y
8Proto-Indo-European-ḱos-y, -ic

via English fat

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

Words derived from “fatheaded

Every word from Proto-Indo-European -ḱos