Etymology
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antimony (n.)
early 15c., "black antimony, antimony sulfide" (powder, medicinally and in alchemy), from Old French antimoine and directly from Medieval Latin antimonium (11c.), of obscure origin.

Probably it is a Latinization of later Greek stimmi "powdered antimony, black antimony" (a cosmetic used to paint the eyelids), from an Arabic source (such as al 'othmud), unless the Arabic word is from the Greek and the Latin is from Arabic (which would explain the a- as the Arabic direct article al-). Probably ultimately from Egyptian stm "powdered antimony;" the substance was used there as a cosmetic from at least 3000 B.C.E. In French, by folk etymology, it became anti-moine "monk's bane."

As the name of a brittle metallic element in a pure form, it is attested in English from 1788. Its chemical symbol Sb is for Stibium, the Latin name for "black antimony," which word also was used in English for black antimony. Related: Antimonial; antimoniac.
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kohl (n.)
"powder used to darken the eyelids, etc.," properly of finely ground antimony, 1799, from Arabic kuhl (see alcohol).
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alcohol (n.)

1540s (early 15c. as alcofol), "fine powder produced by sublimation," from Medieval Latin alcohol "powdered ore of antimony," from Arabic al-kuhul "kohl," the fine metallic powder used to darken the eyelids, from kahala "to stain, paint." The al- is the Arabic definite article, "the."

Paracelsus (1493-1541) used the word to refer to a fine powder but also a volatile liquid. By 1670s it was being used in English for "any sublimated substance, the pure spirit of anything," including liquids.

The sense of "intoxicating ingredient in strong liquor" is attested by 1753, short for alcohol of wine, which then was extended to "the intoxicating element in fermented liquors." The formerly preferred terms for the substance were rectified spirits or brandy.

In organic chemistry, the word was extended by 1808 to the class of compounds of the same type as this (a 1790 translation of Lavoisier's "Elements of Chemistry" has alkoholic gas for "the combination of alkohol with caloric").

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