Compare Chinese 乳頭/乳头 (rǔtóu, literally “breast head”).
хөхний толгой • (xöxnii tolgoj) (Mongolian spelling ᠬᠥᠬᠦᠨ ᠤᠲᠣᠯᠤᠭᠠᠢ (kökün-u toluɣai))