"dun" meaning in 古英語

{
  "categories": [
    {
      "kind": "other",
      "name": "古英語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "古英語詞元",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "古英語陰性名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有15個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自原始凱爾特語的古英語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自原始印歐語的古英語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自原始日耳曼語的古英語詞",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "ofdune"
    }
  ],
  "descendants": [
    {
      "lang": "英語",
      "lang_code": "en",
      "word": "down"
    }
  ],
  "etymology_text": "源自原始日耳曼語 *dūnǭ (“丘，沙丘”)，可能源自原始印歐語 *dʰewh₂- (“冒煙，捲起塵埃”)；或可能較晚借自原始凱爾特語 *dūnom，源頭相同。",
  "lang": "古英語",
  "lang_code": "ang",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "山，丘"
      ],
      "id": "zh-dun-ang-noun-tqHz6qHu"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "dun"
}

{
  "categories": [
    "古英語名詞",
    "古英語詞元",
    "古英語陰性名詞",
    "有15個詞條的頁面",
    "有詞條的頁面",
    "派生自原始凱爾特語的古英語詞",
    "派生自原始印歐語的古英語詞",
    "派生自原始日耳曼語的古英語詞"
  ],
  "derived": [
    {
      "word": "ofdune"
    }
  ],
  "descendants": [
    {
      "lang": "英語",
      "lang_code": "en",
      "word": "down"
    }
  ],
  "etymology_text": "源自原始日耳曼語 *dūnǭ (“丘，沙丘”)，可能源自原始印歐語 *dʰewh₂- (“冒煙，捲起塵埃”)；或可能較晚借自原始凱爾特語 *dūnom，源頭相同。",
  "lang": "古英語",
  "lang_code": "ang",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "山，丘"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "dun"
}