| 2. | an aphrodisiac food, drug, potion, or other agent that arouses sexual desire. |
si(os) of Aphrodite + -akos -ac 
A substance or quality that excites sexual desire.
Note: Aphrodisiacs are named after Aphrodite, the Greek goddess of love.
aphrodisiac aph·ro·dis·i·ac (āf'rə-dĭz'ē-āk', -dē'zē-)
adj.
Arousing, increasing, or intensifying sexual desire. n.
An aphrodisiac drug or food.