"extra-" meaning in Catalan

{
  "etymology_templates": [
    {
      "args": {
        "1": "ca",
        "2": "la",
        "3": "extra"
      },
      "expansion": "Borrowed from Latin extra",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Latin extra.",
  "head_templates": [
    {
      "args": {
        "1": "ca",
        "2": "prefix"
      },
      "expansion": "extra-",
      "name": "head"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 9 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "extra-"
      ],
      "id": "en-extra--ca-prefix-rVR0mST6",
      "links": [
        [
          "extra-",
          "extra-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˌɛks.tɾə]",
      "tags": [
        "Balearic",
        "Central"
      ]
    },
    {
      "ipa": "[ˌeks.tɾa]",
      "tags": [
        "Valencia"
      ]
    }
  ],
  "word": "extra-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ca",
        "2": "la",
        "3": "extra"
      },
      "expansion": "Borrowed from Latin extra",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Latin extra.",
  "head_templates": [
    {
      "args": {
        "1": "ca",
        "2": "prefix"
      },
      "expansion": "extra-",
      "name": "head"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Catalan entries with incorrect language header",
        "Catalan lemmas",
        "Catalan prefixes",
        "Catalan terms borrowed from Latin",
        "Catalan terms derived from Latin",
        "Catalan terms with IPA pronunciation",
        "Pages using catfix",
        "Pages with 9 entries",
        "Pages with entries"
      ],
      "glosses": [
        "extra-"
      ],
      "links": [
        [
          "extra-",
          "extra-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˌɛks.tɾə]",
      "tags": [
        "Balearic",
        "Central"
      ]
    },
    {
      "ipa": "[ˌeks.tɾa]",
      "tags": [
        "Valencia"
      ]
    }
  ],
  "word": "extra-"
}