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soda

/ˈsoʊdə/

An alkaline compound or carbonated sweetened beverage

From Italian or Medieval Latin; ultimate origin uncertain soda (Saltwort).

noun
noun
soda
Italian / Medieval Latin
Verified
sida / soda
Name for saltwort or the alkaline substance extracted from its ashes; the ultimate origin is uncertain.

from Italian sida (or Medieval Latin soda ), in reference to a kind of saltwort

+1 more source
Late 15th-century English
AI-inferred
sode
Sodium carbonate, an alkaline substance obtained from plant ashes.
Modern English
Verified
soda
Later extended to soda water and then flavored carbonated drinks.

from Italian soda. Sense 4 is an ellipsis of soda water.

Modern English
soda

Long before soda fizzed in a glass, it was something scraped from the ashes of seaside plants. Mediterranean saltwort was burned, and its pale alkaline residue became a valuable commodity traded around the medieval sea; English records from the late 15th century call it “sode.” The name probably traveled through Italian sida or Medieval Latin soda, although its deeper origin remains unsettled. One proposed route connects it to Arabic suda, “splitting headache,” via a medieval headache remedy called sodanum—but that theory is considered far-fetched, and the supposed Arabic saltwort source is unattested. By 1802, “soda water” meant water charged with carbonic acid under pressure; by 1834, soda alone could mean the drink, even though modern soft drinks usually contain no soda compound at all. So every time someone orders a soda, they are ordering a linguistic fossil from burned plants, medieval chemistry, and a beverage that quietly outlived its original ingredient.

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