"дэр" meaning in 蒙古語

{
  "categories": [
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自原始蒙古語的蒙古語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "源自原始蒙古語的蒙古語繼承詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "蒙古語1音節詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "蒙古語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "蒙古語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "дэрний уут"
    },
    {
      "word": "dernii uut"
    }
  ],
  "etymology_text": "源自原始蒙古語 *dere，對比布里亞特語 дэрэ (dere)、卡爾梅克衛拉特語 дер (der)。",
  "forms": [
    {
      "form": "der",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ᠳᠡᠷ᠎ᠡ",
      "raw_tags": [
        "蒙古文寫法"
      ],
      "roman": "der-e"
    }
  ],
  "lang": "蒙古語",
  "lang_code": "mn",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "枕頭"
      ],
      "id": "zh-дэр-mn-noun-6-5X7cDG"
    }
  ],
  "word": "дэр"
}

{
  "categories": [
    "有1個詞條的頁面",
    "派生自原始蒙古語的蒙古語詞",
    "源自原始蒙古語的蒙古語繼承詞",
    "蒙古語1音節詞",
    "蒙古語名詞",
    "蒙古語詞元"
  ],
  "derived": [
    {
      "word": "дэрний уут"
    },
    {
      "word": "dernii uut"
    }
  ],
  "etymology_text": "源自原始蒙古語 *dere，對比布里亞特語 дэрэ (dere)、卡爾梅克衛拉特語 дер (der)。",
  "forms": [
    {
      "form": "der",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ᠳᠡᠷ᠎ᠡ",
      "raw_tags": [
        "蒙古文寫法"
      ],
      "roman": "der-e"
    }
  ],
  "lang": "蒙古語",
  "lang_code": "mn",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "枕頭"
      ]
    }
  ],
  "word": "дэр"
}