The English word
CAVIAR comes from French
caviar, which is in turn from Turkish
khaviar. The word is surely not Turkish in origin, but it is unclear just where it comes from. It seems likely that the word comes from Persian
khavyar, and for a detailed discussion of the etymology of the Persian word, see this item:
Kneading a meaning: Etymology of Caviar.
Caviar is one of my favorite foods! This article at Gilded Fork provides an overview of the different kinds of caviar:
Caviar: An Endangered Pleasure.