One of the mysteries of the English language finally explained.
Sesame oil; (also) the sesame plant, Sesamum indicum. Frequently attributive, especially in "gingelly oil".
Mid 16th century. Apparently from Spanish † genjoli, apparently aphetic from † agenjoli, variant of ajonjolí from Spanish Arabic al-jonjolī from Arabic al the + Spanish Arabic jonjolī, jonjolīl, variant of Arabic (literary) juljulān, (chiefly colloquial) jiljilān, juljalān sesame.
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