sinus etymology

English word sinus comes from Arabic جَيْب

Detailed word origin of sinus

Dictionary entryLanguageDefinition
جَيْب Arabic (ara)
sinus Latin (lat) A large bowl (Medieval, mathematics) chord of an arc, sine. A hollow, cavity. Bosom. Curve, fold, winding. Fold of the toga over the breast, pocket, lap. Gulf, bay. Heart, secret feelings.
sinus English (eng) (anatomy) A pouch or cavity in any organ or tissue, especially the paranasal sinus.. (botany) A notch or depression between two lobes or teeth in the margin of an organ.. (pathology) An abnormal cavity or passage such as a fistula, caused by the destruction of tissue.. A bay of the sea; a recess in the shore.