"sub-" meaning in Portuguese

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "la",
        "3": "sub-"
      },
      "expansion": "Latin sub-",
      "name": "bor"
    },
    {
      "args": {
        "1": "pt",
        "2": "so-"
      },
      "expansion": "Doublet of so-",
      "name": "doublet"
    }
  ],
  "etymology_text": "From Latin sub-. Doublet of so-.",
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "prefix"
      },
      "expansion": "sub-",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "sub- (under, beneath)"
      ],
      "id": "en-sub--pt-prefix-PB24KRUn",
      "links": [
        [
          "sub-",
          "sub-#English"
        ]
      ],
      "synonyms": [
        {
          "word": "so-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "sub- (subsidiary, secondary)"
      ],
      "id": "en-sub--pt-prefix-h1pBjBY6",
      "links": [
        [
          "sub-",
          "sub-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsub(i)/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/ˈsub(ɨ)/",
      "tags": [
        "Portugal"
      ]
    }
  ],
  "word": "sub-"
}

{
  "categories": [
    "Pages using catfix",
    "Pages with 13 entries",
    "Pages with entries",
    "Portuguese doublets",
    "Portuguese entries with incorrect language header",
    "Portuguese lemmas",
    "Portuguese prefixes",
    "Portuguese terms borrowed from Latin",
    "Portuguese terms derived from Latin"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "la",
        "3": "sub-"
      },
      "expansion": "Latin sub-",
      "name": "bor"
    },
    {
      "args": {
        "1": "pt",
        "2": "so-"
      },
      "expansion": "Doublet of so-",
      "name": "doublet"
    }
  ],
  "etymology_text": "From Latin sub-. Doublet of so-.",
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "prefix"
      },
      "expansion": "sub-",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "sub- (under, beneath)"
      ],
      "links": [
        [
          "sub-",
          "sub-#English"
        ]
      ],
      "synonyms": [
        {
          "word": "so-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "glosses": [
        "sub- (subsidiary, secondary)"
      ],
      "links": [
        [
          "sub-",
          "sub-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsub(i)/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/ˈsub(ɨ)/",
      "tags": [
        "Portugal"
      ]
    }
  ],
  "word": "sub-"
}