"infra-" meaning in Portuguese

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "la",
        "3": "īnfra"
      },
      "expansion": "Latin īnfra",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin īnfra.",
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "prefix"
      },
      "expansion": "infra-",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 8 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "infra-"
      ],
      "id": "en-infra--pt-prefix-maU7XxS5",
      "links": [
        [
          "infra-",
          "infra-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "infra-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "la",
        "3": "īnfra"
      },
      "expansion": "Latin īnfra",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin īnfra.",
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "prefix"
      },
      "expansion": "infra-",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Pages with 8 entries",
        "Pages with entries",
        "Portuguese entries with incorrect language header",
        "Portuguese lemmas",
        "Portuguese prefixes",
        "Portuguese terms borrowed from Latin",
        "Portuguese terms derived from Latin"
      ],
      "glosses": [
        "infra-"
      ],
      "links": [
        [
          "infra-",
          "infra-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "infra-"
}