fusel oil

Etymology
The word "fusel" comes from, which is used to refer to low-quality alcoholic beverages in general, especially to inferior wines and spirits distilled with inadequate equipment.

Noun

 * 1) A mixture of several higher-order alcohols (alcohols with more than two carbon atoms) formed as byproduct in the normal fermentation process. An excessive concentration, as in low-quality moonshine, causes unpleasant taste.

Synonyms

 * fusel alcohol
 * potato oil

Translations

 * Dutch: foezelolie
 * Finnish: sikunaöljy
 * Polish:, niedogon
 * Russian: сиву́шное ма́сло
 * Spanish: aceite de fusel
 * Swedish: finkelolja,