"múgr" meaning in Old Norse

{
  "etymology_templates": [
    {
      "args": {
        "1": "non",
        "2": "gem-pro",
        "3": "*mūgô"
      },
      "expansion": "Proto-Germanic *mūgô",
      "name": "inh"
    },
    {
      "args": {
        "1": "non",
        "2": "ine-pro",
        "3": "*muk-",
        "t": "heap"
      },
      "expansion": "Proto-Indo-European *muk- (“heap”)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "μύκων",
        "t": "pile"
      },
      "expansion": "Ancient Greek μύκων (múkōn, “pile”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "ang",
        "2": "muga",
        "3": "mūga"
      },
      "expansion": "Old English mūga",
      "name": "cog"
    }
  ],
  "etymology_text": "Proto-Germanic *mūgô, from Proto-Indo-European *muk- (“heap”), similar to Ancient Greek μύκων (múkōn, “pile”). Compare Old English mūga.",
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "nouns",
        "g": "m",
        "g2": "",
        "head": "",
        "sort": "",
        "tr": ""
      },
      "expansion": "múgr m",
      "name": "head"
    },
    {
      "args": {
        "1": "m"
      },
      "expansion": "múgr m",
      "name": "non-noun"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old English links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Norse entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "mass"
      ],
      "id": "en-múgr-non-noun-QISjK5u6",
      "links": [
        [
          "mass",
          "mass"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "múgr"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "non",
        "2": "gem-pro",
        "3": "*mūgô"
      },
      "expansion": "Proto-Germanic *mūgô",
      "name": "inh"
    },
    {
      "args": {
        "1": "non",
        "2": "ine-pro",
        "3": "*muk-",
        "t": "heap"
      },
      "expansion": "Proto-Indo-European *muk- (“heap”)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "μύκων",
        "t": "pile"
      },
      "expansion": "Ancient Greek μύκων (múkōn, “pile”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "ang",
        "2": "muga",
        "3": "mūga"
      },
      "expansion": "Old English mūga",
      "name": "cog"
    }
  ],
  "etymology_text": "Proto-Germanic *mūgô, from Proto-Indo-European *muk- (“heap”), similar to Ancient Greek μύκων (múkōn, “pile”). Compare Old English mūga.",
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "nouns",
        "g": "m",
        "g2": "",
        "head": "",
        "sort": "",
        "tr": ""
      },
      "expansion": "múgr m",
      "name": "head"
    },
    {
      "args": {
        "1": "m"
      },
      "expansion": "múgr m",
      "name": "non-noun"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Old English links with redundant target parameters",
        "Old Norse entries with incorrect language header",
        "Old Norse lemmas",
        "Old Norse masculine nouns",
        "Old Norse nouns",
        "Old Norse terms derived from Proto-Germanic",
        "Old Norse terms derived from Proto-Indo-European",
        "Old Norse terms inherited from Proto-Germanic",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "mass"
      ],
      "links": [
        [
          "mass",
          "mass"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "múgr"
}