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Origin and history of comedo

comedo(n.)

"blackhead; hard, blackish tubercule on the skin of the face," 1852, from Latin comedo "glutton," from comedere "to eat up" (see comestible). A name formerly given to worms that devour the body; transferred in medical use to secretions that resemble them.

Entries linking to comedo

1837, "article of food," from French comestible (14c.), from Late Latin comestibilis, from Latin comestus, past participle of comedere "eat up, consume," from com "with, together," here "thoroughly" (see com-) + edere "to eat" (from PIE root *ed- "to eat"). It was attested earlier as an adjective meaning "fit to eat" but this seems to have fallen from use 17c., and the word was reintroduced from French as a noun.

Proto-Indo-European root meaning "to eat," originally "to bite." 

It might form all or part of: alfalfa; anodyne; comedo; comestible; eat; edacious; edible; escarole; esculent; esurient; etch; ettin; fret (v.); frass; jotun; obese; obesity; ort; postprandial; prandial.

It might also be the source of: Sanskrit admi "I eat;" Avestan ad- "to eat;" Greek edo "I eat;" Latin edere "to eat;" Lithuanian ėdu "I eat," ėdžioti "to devour, bite;" Hittite edmi "I eat," adanna "food;" Armenian utem "I eat;" Old Church Slavonic jasti "to eat," Russian jest "to eat;" Old Irish ithim "I eat;" Gothic itan, Old Swedish and Old English etan, Old High German essan "to eat."

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    Trends of comedo

    adapted from books.google.com/ngrams/ with a 7-year moving average; ngrams are probably unreliable.

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