Prosopium

== Translingual == === Etymology === Borrowed from Ancient Greek προσώπιον / προσωπεῖον (prosṓpion / prosōpeîon, “mask”). === Proper noun === Prosopium n A taxonomic genus within the family Salmonidae – certain freshwater whitefish of North America and eastern Russia. === See also === Prosopium on Wikipedia.Wikipedia Prosopium on Wikispecies.Wikispecies Category:Prosopium on Wikimedia Commons.Wikimedia Commons