Where does “dull-headed” come from?

dull-headed (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.

dull-headed (English): dull-witted; not clever

Definitions

  1. dull-witted; not clever

Ancestry of “dull-headed”, step by step

dull-headed 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 dull

StepLanguageWordMeaning
1EnglishdullLacking the ability to cut easily; not sharp;...
2Middle Englishdull
3Old Englishdolfoolish
4Proto-West Germanic*dol
5Proto-Germanicdulazconfused, stunned; foolish, misled, mad
6Proto-Germanicdwalazconfused, stunned; foolish, misled, mad
7Proto-Indo-Europeandʰwel-
Every word from Proto-Indo-European -ḱos
dull-headed — Etymology, Origin & Word History | Etymology Explorer