Where does “blackhead” come from?

blackhead (English) comes 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.

blackhead (English): A comedo, a skin blemish, a type of acne...

Definitions

  1. A comedo, a skin blemish, a type of acne...

Ancestry of “blackhead”, step by step

blackhead traces back through two separate lines of ancestry.

via English head

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

via English Black

StepLanguageWordMeaning
1EnglishBlackAlternative letter-case form of black
2Old Frenchblancwhite
3Late Latinblancuswhite
4Frankishblankbright; gleaming, white, blinding; bright,...
5Proto-Germanic*blank—
6Proto-Germanicblankazbright, shining, white, gleaming, blinding
7Proto-Indo-Europeanbhleg-to shine, white; to shine, burn, scorch
Every word from Proto-Indo-European -ḱos →Every word from English -y →Every word from Old English -iġ →