The Russian for hippo
is "begemot" (except in Cyrillic) from the name "behemoth".
( Flapjack I spay a little mare for you, Mon 11 May 2009, 16:38, archived)

I knew that.
But it's more likely a protoceratops, by my reckoning, based on the same fossils found in Mongolian gold mines that inspired gryphons. Although in Hebrew it simply means "ox" (curiously, feminine plural).
( Moon Girl Technologies horrendous beanbag, Mon 11 May 2009, 16:45, archived)