Where does “empty-headed” come from?

empty-headed (English) comes from English empty, from Middle English emty, from Old English ēmtiġ, from Old English ǣmettiġ, from Proto-Germanic uz-, from Proto-Indo-European uss-, from Proto-Indo-European uds-, from Proto-Indo-European úd — out, outward.

empty-headed (English): silly and lacking sense or discretion;...

Definitions

  1. silly and lacking sense or discretion;...

Ancestry of “empty-headed”, step by step

empty-headed traces back through two separate lines of ancestry.

via English empty

StepLanguageWordMeaning
1EnglishemptyDevoid of content; containing nothing or nobody;...
2Middle Englishemtyempty, vacant; weak, ineffective; worthless,...
3Old Englishēmtiġ
4Old Englishǣmettiġvacant, empty, free, idle, unmarried
5Proto-Germanicuz-up, out
6Proto-Indo-Europeanuss-
7Proto-Indo-Europeanuds-up, out
8Proto-Indo-Europeanúdout, outward

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

Words derived from “empty-headed

Every word from Proto-Indo-European úd