Amurca

Amurca is the Latin name for the bitter-tasting, dark-colored, watery sediment that settles out of unfiltered olive oil over time.

[2] Historically, amurca was used for numerous purposes, as first described by Cato the Elder in De Agri Cultura, and later by Pliny the Elder.

[3] Cato mentions its uses as a building material (128), pesticide (91, 92, 96, 98), herbicide (91, 129), dietary supplement for oxen (103) and trees (36, 93), food preservative (99, 101), as a maintenance product for leather (97), bronze vessel (98), and vases (100), and as a treatment for firewood in order to avoid smoke (130).

Cyclopædia, or an Universal Dictionary of Arts and Sciences (1st ed.).

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