Question: What is the reality of the evil or envious eye? Allaah (Exalted be He) says: “And from the evil of the envier when he envies.” Is the following Hadeeth authentic:One third of those who are in the graves are there because of the evil eye. ? What should someone do and say if they think that they are envied? Will it cure them if they use water with which the envier has washed themselves? Should they drink that water or wash themselves with?
Answer: The Arabic word `Ayn (literally, the eye) is derived from (`Aana – Ya`inu) and refers to when a person harms another by casting an evil eye on him. It usually starts with admiration for something felt by the person who casts an evil eye… read more here.