Zait & Za'atar "Zait" is Arabic for "olive oil," an essential ingredient in Mediterranean cooking, while "Za'atar" is a fragrant spice blend made from dried herbs like thyme, sumac, and … "Zait" is Arabic for "olive oil," an essential ingredient in Mediterranean cooking, while "Za'atar" is a fragrant spice blend made from dried herbs like thyme, sumac, and …