"тос" meaning in Mongol

{
  "categories": [
    {
      "kind": "other",
      "name": "Aliments en mongol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en mongol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Références nécessaires en mongol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mongol",
      "orig": "mongol",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "чидун жимсний тос"
    },
    {
      "word": "цөцгийн тос"
    }
  ],
  "etymology_texts": [
    "Du mongol littéraire qui donne aussi le mongol de chine ᠲᠣᠰᠤ, le bouriate тоһон et le kalmouk тосн. Référence nécessaire"
  ],
  "lang": "Mongol",
  "lang_code": "mn",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "тос, tos",
    "ᠲᠣᠰᠤ"
  ],
  "senses": [
    {
      "glosses": [
        "Beurre."
      ],
      "id": "fr-тос-mn-noun-3eVoSIC1"
    },
    {
      "glosses": [
        "Huile, graisse, gras."
      ],
      "id": "fr-тос-mn-noun-RVralk3m"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈtʰɔs\\"
    }
  ],
  "word": "тос"
}

{
  "categories": [
    "Aliments en mongol",
    "Noms communs en mongol",
    "Références nécessaires en mongol",
    "mongol"
  ],
  "derived": [
    {
      "word": "чидун жимсний тос"
    },
    {
      "word": "цөцгийн тос"
    }
  ],
  "etymology_texts": [
    "Du mongol littéraire qui donne aussi le mongol de chine ᠲᠣᠰᠤ, le bouriate тоһон et le kalmouk тосн. Référence nécessaire"
  ],
  "lang": "Mongol",
  "lang_code": "mn",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "тос, tos",
    "ᠲᠣᠰᠤ"
  ],
  "senses": [
    {
      "glosses": [
        "Beurre."
      ]
    },
    {
      "glosses": [
        "Huile, graisse, gras."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈtʰɔs\\"
    }
  ],
  "word": "тос"
}