Adab (Hindustani: آداب (Nastaleeq), आदाब (Devanagari)), from the Arabic word Aadaab (آداب), meaning respect and politeness, is a hand gesture used in the Indian subcontinent, by the Urdu-speaking while greeting, as well as many non-Muslims (Hindus and Christians) in north India. It is associated with the Ganga-Jamuni culture of South Asia, especially of the Urdu-speaking communities of Uttar Pradesh, Hyderabadi Muslims, and Muhajir people of Pakistan.