Zait, Olive.
Narrated from Abu Huraira [RA] that prophet Muhammad [ﷺ] said: “Eat the olive and use it as ointment, because it is produced by a blessed tree.” 
Zait is hot and wet in first degree. Also, the quality of the oil depends on the tree that produces it. Olive oil helps against poisons, works as a laxative, … Continue Reading