From Wiktionary, the free dictionary
Causative of сүүй (süüy, “to win”), thus "to cause (someone else) to win".
сүүйтэр • (süüyter)
- (transitive) (with dat.) to lose (a game, etc.)
- See synonyms at кыайтар (kıaytar).
- сүт (süt, “to lose (one's way), to disappear”)