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The word oil is derived from the Latin oleum, which is the oil of olivae (olives). In modern commerce, olive oil remains one of the most important exports of the Mediterranean area, with over 98 percent of all olive oil coming from this ancient source. The types of olive oil now available range from artisanal, family-produced oils to commercially-produced oils that might be a mixture of olive oils from two or three different countries. In America, a variety of olive oils from California are most frequently made in small batches on family-run farms.