"cà" meaning in Portuguese

{
  "head_templates": [
    {
      "args": {
        "hascomp": "no"
      },
      "expansion": "cà (not comparable)",
      "name": "pt-adv"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "word": "cá"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 7 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "obsolete spelling of cá"
      ],
      "id": "en-cà-pt-adv-F1Ty4yQJ",
      "links": [
        [
          "cá",
          "cá#Portuguese"
        ]
      ],
      "tags": [
        "alt-of",
        "not-comparable",
        "obsolete"
      ]
    }
  ],
  "word": "cà"
}

{
  "categories": [
    "Pages with 7 entries",
    "Pages with entries",
    "vi:Foods",
    "vi:Plants"
  ],
  "head_templates": [
    {
      "args": {
        "hascomp": "no"
      },
      "expansion": "cà (not comparable)",
      "name": "pt-adv"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "word": "cá"
        }
      ],
      "categories": [
        "Pages with 7 entries",
        "Pages with entries",
        "Portuguese adverbs",
        "Portuguese entries with incorrect language header",
        "Portuguese lemmas",
        "Portuguese obsolete forms",
        "Portuguese terms spelled with À",
        "Portuguese terms spelled with ◌̀",
        "Portuguese uncomparable adverbs"
      ],
      "glosses": [
        "obsolete spelling of cá"
      ],
      "links": [
        [
          "cá",
          "cá#Portuguese"
        ]
      ],
      "tags": [
        "alt-of",
        "not-comparable",
        "obsolete"
      ]
    }
  ],
  "word": "cà"
}