See comedo in American Heritage Dictionary 4
noun pl. com·e·dos or com·e·do·nes (-dōˈnēz)
Origin: Latin comedō, glutton (from a comparison of the worm-like shape of the waxy material that can be squeezed from a blackhead to a worm believed to feed on the body)
Origin: , from comedere, to eat up
Origin: : com-, intensive pref.; see com-
Origin: + edere, to eat; see ed- in Indo-European roots.
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