"मातामह" meaning in Sanskrit

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ta",
            "2": "மாதாமகர்"
          },
          "expansion": "Tamil: மாதாமகர் (mātāmakar)",
          "name": "desc"
        }
      ],
      "text": "Tamil: மாதாமகர் (mātāmakar)"
    }
  ],
  "forms": [
    {
      "form": "mātāmaha",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m"
      },
      "expansion": "मातामह • (mātāmaha) stem, m",
      "name": "sa-noun"
    }
  ],
  "lang": "Sanskrit",
  "lang_code": "sa",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sanskrit entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "sa",
          "name": "Family",
          "orig": "sa:Family",
          "parents": [
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a maternal grandfather"
      ],
      "id": "en-मातामह-sa-noun-tNjs11If",
      "links": [
        [
          "maternal grandfather",
          "maternal grandfather"
        ]
      ]
    }
  ],
  "word": "मातामह"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ta",
            "2": "மாதாமகர்"
          },
          "expansion": "Tamil: மாதாமகர் (mātāmakar)",
          "name": "desc"
        }
      ],
      "text": "Tamil: மாதாமகர் (mātāmakar)"
    }
  ],
  "forms": [
    {
      "form": "mātāmaha",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m"
      },
      "expansion": "मातामह • (mātāmaha) stem, m",
      "name": "sa-noun"
    }
  ],
  "lang": "Sanskrit",
  "lang_code": "sa",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Sanskrit entries with incorrect language header",
        "Sanskrit lemmas",
        "Sanskrit masculine nouns",
        "Sanskrit nouns",
        "Sanskrit nouns in Devanagari script",
        "sa:Family"
      ],
      "glosses": [
        "a maternal grandfather"
      ],
      "links": [
        [
          "maternal grandfather",
          "maternal grandfather"
        ]
      ]
    }
  ],
  "word": "मातामह"
}