"uni-" meaning in Portuguese

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "la",
        "3": "ūni-",
        "t": "uni-"
      },
      "expansion": "Learned borrowing from Latin ūni- (“uni-”)",
      "name": "lbor"
    },
    {
      "args": {
        "1": "pt",
        "2": "la",
        "3": "ūnus",
        "t": "one"
      },
      "expansion": "Latin ūnus (“one”)",
      "name": "der"
    }
  ],
  "etymology_text": "Learned borrowing from Latin ūni- (“uni-”), itself from Latin ūnus (“one”).",
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "prefix"
      },
      "expansion": "uni-",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 10 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": [
        "uni- (one)"
      ],
      "id": "en-uni--pt-prefix-L~oyZGsi",
      "links": [
        [
          "uni-",
          "uni-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "uni-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "la",
        "3": "ūni-",
        "t": "uni-"
      },
      "expansion": "Learned borrowing from Latin ūni- (“uni-”)",
      "name": "lbor"
    },
    {
      "args": {
        "1": "pt",
        "2": "la",
        "3": "ūnus",
        "t": "one"
      },
      "expansion": "Latin ūnus (“one”)",
      "name": "der"
    }
  ],
  "etymology_text": "Learned borrowing from Latin ūni- (“uni-”), itself from Latin ūnus (“one”).",
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "prefix"
      },
      "expansion": "uni-",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Pages with 10 entries",
        "Pages with entries",
        "Portuguese entries with incorrect language header",
        "Portuguese learned borrowings from Latin",
        "Portuguese lemmas",
        "Portuguese prefixes",
        "Portuguese terms borrowed from Latin",
        "Portuguese terms derived from Latin"
      ],
      "glosses": [
        "uni- (one)"
      ],
      "links": [
        [
          "uni-",
          "uni-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "uni-"
}