From و ر ء (w r ʔ) or و ر ي (w r y). Lane's Dictionary, page 2933, "ورأ" meaning to push back behind something, to obscure or cover over; ultimately from "ورى", page 3052, meaning to make a fire, to set a blaze in front of you, behind its cover, to allude, to pretend or being ambiguous, to state something symbolically or to see another meaning besides the apparent.