the.com/barbiturate

means A class of sedative drugs, derived from barbituric acid, that depress the central nervous system — used medically for sleep, seizures, and anesthesia, and infamous for how narrow the line is between a calming dose and a fatal one.

from Traces back to barbituric acid, first synthesized in 1864 by chemist Adolf von Baeyer. The name's actual source is murky even among chemists — one popular story claims Baeyer named it after a woman called Barbara, possibly to celebrate with artillery gunners on St. Barbara's feast day, or simply as a term of affection; but no contemporary document confirms this, so it's best treated as lore rather than fact. What's certain is the 'urea' part of the acid's structure contributed the '-ate' ending once barbiturate drugs were developed from it in the early 1900s, giving the whole sedative family its name.