"mag" meaning in Livonian

{
  "etymology_templates": [
    {
      "args": {
        "1": "liv",
        "2": "urj-fin-pro",
        "3": "*mako"
      },
      "expansion": "Proto-Finnic *mako",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Finnic *mako. Related to Finnish maha.",
  "head_templates": [
    {
      "args": {
        "1": "liv",
        "2": "noun"
      },
      "expansion": "mag",
      "name": "head"
    }
  ],
  "lang": "Livonian",
  "lang_code": "liv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Livonian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "stomach"
      ],
      "id": "en-mag-liv-noun-1aDZBXTV",
      "links": [
        [
          "stomach",
          "stomach"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Livonian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "belly"
      ],
      "id": "en-mag-liv-noun-WQZ9oWZS",
      "links": [
        [
          "belly",
          "belly"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "alt": "Courland",
      "word": "ma'g"
    }
  ],
  "word": "mag"
}

{
  "categories": [
    "Livonian entries with incorrect language header",
    "Livonian lemmas",
    "Livonian nouns",
    "Livonian terms derived from Proto-Finnic",
    "Livonian terms inherited from Proto-Finnic",
    "Pages with 18 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "liv",
        "2": "urj-fin-pro",
        "3": "*mako"
      },
      "expansion": "Proto-Finnic *mako",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Finnic *mako. Related to Finnish maha.",
  "head_templates": [
    {
      "args": {
        "1": "liv",
        "2": "noun"
      },
      "expansion": "mag",
      "name": "head"
    }
  ],
  "lang": "Livonian",
  "lang_code": "liv",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "stomach"
      ],
      "links": [
        [
          "stomach",
          "stomach"
        ]
      ]
    },
    {
      "glosses": [
        "belly"
      ],
      "links": [
        [
          "belly",
          "belly"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "alt": "Courland",
      "word": "ma'g"
    }
  ],
  "word": "mag"
}