'Sherbet' traces from Arabic 'sharba' (a drink) — the same root gave us 'syrup' and 'sorbet.'
A frozen dessert made from fruit juice, sugar, and water, sometimes with milk or egg white; in British English, a fizzy sweet powder or a cooling fruit drink.
From Turkish 'şerbet,' from Persian 'sharbat' (شربت), from Arabic 'sharba' (شربة), meaning 'a drink,' from the verb 'shariba' (شرب), 'to drink.' The original Arabic sense was simply 'a single act of drinking' or 'a drink.' In the Ottoman and Persian traditions, it became the name for a sweetened, chilled
English has three separate words — 'sherbet,' 'sorbet,' and 'syrup' — that all descend from the same Arabic root sh-r-b (to drink), entering the language through different routes at different times: 'sherbet' via Turkish, 'sorbet' via Italian, and 'syrup' via Medieval Latin and Arabic 'sharāb.'