"дельта" meaning in 蒙古語

{
  "categories": [
    {
      "kind": "other",
      "name": "有2個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自俄語的蒙古語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自古希臘語的蒙古語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自腓尼基語的蒙古語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "源自俄語的蒙古語借詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "蒙古語2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"
    }
  ],
  "etymology_text": "借自俄語 де́льта (dɛ́lʹta)，來自古希臘語 δέλτα (délta)，來自腓尼基語 𐤃 (d /⁠dalet⁠/)。",
  "forms": [
    {
      "form": "delʹta",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "蒙古語",
  "lang_code": "mn",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "德爾塔"
      ],
      "id": "zh-дельта-mn-noun-aa65ECcx"
    }
  ],
  "word": "дельта"
}

{
  "categories": [
    "有2個詞條的頁面",
    "有詞條的頁面",
    "派生自俄語的蒙古語詞",
    "派生自古希臘語的蒙古語詞",
    "派生自腓尼基語的蒙古語詞",
    "源自俄語的蒙古語借詞",
    "蒙古語2音節詞",
    "蒙古語名詞",
    "蒙古語詞元"
  ],
  "etymology_text": "借自俄語 де́льта (dɛ́lʹta)，來自古希臘語 δέλτα (délta)，來自腓尼基語 𐤃 (d /⁠dalet⁠/)。",
  "forms": [
    {
      "form": "delʹta",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "蒙古語",
  "lang_code": "mn",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "德爾塔"
      ]
    }
  ],
  "word": "дельта"
}