Literally ‘snake fish’. Cognate with Buryat могой загаһан (mogoj zagahan), Kalmyk моһа заһсн (moha zahsn), etc.
могой загас • (mogoj zagas) (Mongolian spelling ᠮᠣᠭᠠᠢᠵᠢᠭᠠᠰᠤ (moɣai ǰiɣasu))