"ós" meaning in 冰島語

{
  "categories": [
    {
      "kind": "other",
      "name": "Icelandic scraping errors in Template:is-ndecl",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自原始印歐語的冰島語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自原始日耳曼語的冰島語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自古諾爾斯語的冰島語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "源自原始印歐語的冰島語繼承詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "源自原始日耳曼語的冰島語繼承詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "源自古諾爾斯語的冰島語繼承詞",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "árós"
    },
    {
      "word": "Blönduós"
    }
  ],
  "etymology_text": "源自古諾爾斯語 *óss，源自原始日耳曼語 *ōsaz，源自原始印歐語 *h₃éh₁os (“嘴”)，與古英語 ōr、拉丁語 ōs (“嘴”)同源。",
  "lang": "冰島語",
  "lang_code": "is",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "河口"
      ],
      "id": "zh-ós-is-noun-tYV-1xEA"
    }
  ],
  "sounds": [
    {
      "ipa": "/ouːs/"
    }
  ],
  "word": "ós"
}

{
  "categories": [
    "Icelandic scraping errors in Template:is-ndecl",
    "派生自原始印歐語的冰島語詞",
    "派生自原始日耳曼語的冰島語詞",
    "派生自古諾爾斯語的冰島語詞",
    "源自原始印歐語的冰島語繼承詞",
    "源自原始日耳曼語的冰島語繼承詞",
    "源自古諾爾斯語的冰島語繼承詞"
  ],
  "derived": [
    {
      "word": "árós"
    },
    {
      "word": "Blönduós"
    }
  ],
  "etymology_text": "源自古諾爾斯語 *óss，源自原始日耳曼語 *ōsaz，源自原始印歐語 *h₃éh₁os (“嘴”)，與古英語 ōr、拉丁語 ōs (“嘴”)同源。",
  "lang": "冰島語",
  "lang_code": "is",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "河口"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ouːs/"
    }
  ],
  "word": "ós"
}