"Vefsn" meaning in Old Norse

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "no",
            "2": "-"
          },
          "expansion": "Norwegian:",
          "name": "desc"
        },
        {
          "args": {
            "1": "nn",
            "2": "Vefsn",
            "nolb": "1"
          },
          "expansion": "Vefsn\n→ Swedish: Väfsen\n→ Danish: Vefsen, Væfsen\n→ German: Wefsen",
          "name": "desctree"
        }
      ],
      "text": "Norwegian: Vefsn\n→ Swedish: Väfsen\n→ Danish: Vefsen, Væfsen\n→ German: Wefsen"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "non"
      },
      "expansion": "Uncertain",
      "name": "unc"
    },
    {
      "args": {
        "1": "non",
        "2": "gem-pro",
        "3": "-"
      },
      "expansion": "Proto-Germanic",
      "name": "der"
    }
  ],
  "etymology_text": "Uncertain, but possibly a sn-derivation of vefja or the Proto-Germanic stem *web-, whence also váfa.",
  "forms": [
    {
      "form": "Vefsnar",
      "tags": [
        "genitive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "nouns",
        "g": "f",
        "g2": "",
        "head": "",
        "sort": "",
        "tr": ""
      },
      "expansion": "*Vefsn f",
      "name": "head"
    },
    {
      "args": {
        "1": "f",
        "2": "*Vefsnar"
      },
      "expansion": "*Vefsn f (genitive *Vefsnar)",
      "name": "non-noun"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "original_title": "Reconstruction:Old Norse/Vefsn",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Norse entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "non",
          "name": "Places in Norway",
          "orig": "non:Places in Norway",
          "parents": [
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "non",
          "name": "Rivers in Norway",
          "orig": "non:Rivers in Norway",
          "parents": [
            "Rivers",
            "Places",
            "Bodies of water",
            "Names",
            "Landforms",
            "Water",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Earth",
            "Liquids",
            "Fundamental",
            "Nouns",
            "Nature",
            "Matter",
            "Lemmas",
            "Chemistry",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "fjord name",
          "word": "Vefsnir"
        }
      ],
      "glosses": [
        "A river in Norway"
      ],
      "id": "en-Vefsn-non-name-F234rwmm",
      "links": [
        [
          "Norway",
          "Norway#English"
        ]
      ],
      "tags": [
        "feminine",
        "reconstruction"
      ]
    }
  ],
  "word": "Vefsn"
}

{
  "derived": [
    {
      "english": "fjord name",
      "word": "Vefsnir"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "no",
            "2": "-"
          },
          "expansion": "Norwegian:",
          "name": "desc"
        },
        {
          "args": {
            "1": "nn",
            "2": "Vefsn",
            "nolb": "1"
          },
          "expansion": "Vefsn\n→ Swedish: Väfsen\n→ Danish: Vefsen, Væfsen\n→ German: Wefsen",
          "name": "desctree"
        }
      ],
      "text": "Norwegian: Vefsn\n→ Swedish: Väfsen\n→ Danish: Vefsen, Væfsen\n→ German: Wefsen"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "non"
      },
      "expansion": "Uncertain",
      "name": "unc"
    },
    {
      "args": {
        "1": "non",
        "2": "gem-pro",
        "3": "-"
      },
      "expansion": "Proto-Germanic",
      "name": "der"
    }
  ],
  "etymology_text": "Uncertain, but possibly a sn-derivation of vefja or the Proto-Germanic stem *web-, whence also váfa.",
  "forms": [
    {
      "form": "Vefsnar",
      "tags": [
        "genitive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "nouns",
        "g": "f",
        "g2": "",
        "head": "",
        "sort": "",
        "tr": ""
      },
      "expansion": "*Vefsn f",
      "name": "head"
    },
    {
      "args": {
        "1": "f",
        "2": "*Vefsnar"
      },
      "expansion": "*Vefsn f (genitive *Vefsnar)",
      "name": "non-noun"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "original_title": "Reconstruction:Old Norse/Vefsn",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Old Norse entries with incorrect language header",
        "Old Norse feminine nouns",
        "Old Norse lemmas",
        "Old Norse nouns",
        "Old Norse terms derived from Proto-Germanic",
        "Old Norse terms with unknown etymologies",
        "non:Places in Norway",
        "non:Rivers in Norway"
      ],
      "glosses": [
        "A river in Norway"
      ],
      "links": [
        [
          "Norway",
          "Norway#English"
        ]
      ],
      "tags": [
        "feminine",
        "reconstruction"
      ]
    }
  ],
  "word": "Vefsn"
}