bitter

Old English biter meant sharp, cutting, stinging to the taste. The word traces to Proto-Germanic bitraz, related to 'bite.' Bitters as a category of drink emerged in the eighteenth century when apothecaries and physicians infused alcohol with bitter herbs, bark, and roots — gentian, quinine, wormwood, cinchona — and prescribed the resulting tinctures for digestive complaints. Johann Siegert, a German doctor serving in Simón Bolívar's army in Venezuela, created Angostura bitters in 1824 in the city of Angostura (now Ciudad Bolívar) to treat soldiers' stomach ailments.

Angostura bitters became the template. The recipe was secret. The bottle was small. The dosage was measured in dashes, not ounces. Other producers followed: Peychaud's bitters, created by Antoine Amédée Peychaud in New Orleans in the 1830s, became the defining ingredient of the Sazerac cocktail. Orange bitters appeared by mid-century. Each was marketed as medicinal. Each was sold in pharmacies. The small bottle and the medicinal label survived long after anyone believed the health claims.

When Jerry Thomas published the first bartender's guide in 1862, bitters appeared in nearly every recipe. The cocktail itself was originally defined as 'a stimulating liquor, composed of spirits of any kind, sugar, water, and bitters.' Without bitters, a drink was a sling, not a cocktail. The medicine became the defining ingredient of America's national drink category.

Angostura bitters still uses the same oversized label that has wrapped its small bottle since the 1870s — the result of a printing error that the company decided to keep. The bottle's design is as recognizable as its contents. A Venezuelan stomach medicine, invented by a German doctor in a South American war, became the one ingredient no bar can function without.