"duo" meaning in Interlingua

{
  "etymology_templates": [
    {
      "args": {
        "1": "ia",
        "2": "la",
        "3": "duo",
        "4": "",
        "5": "two"
      },
      "expansion": "Latin duo (“two”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin duo (“two”).",
  "head_templates": [
    {
      "args": {
        "1": "ia",
        "2": "numeral"
      },
      "expansion": "duo",
      "name": "head"
    }
  ],
  "lang": "Interlingua",
  "lang_code": "ia",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Interlingua cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Interlingua entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Interlingua entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "two"
      ],
      "id": "en-duo-ia-num-P8TM~nRY",
      "links": [
        [
          "two",
          "two"
        ]
      ]
    }
  ],
  "word": "duo"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ia",
        "2": "la",
        "3": "duo",
        "4": "",
        "5": "two"
      },
      "expansion": "Latin duo (“two”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin duo (“two”).",
  "head_templates": [
    {
      "args": {
        "1": "ia",
        "2": "numeral"
      },
      "expansion": "duo",
      "name": "head"
    }
  ],
  "lang": "Interlingua",
  "lang_code": "ia",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Interlingua cardinal numbers",
        "Interlingua entries with incorrect language header",
        "Interlingua entries with language name categories using raw markup",
        "Interlingua lemmas",
        "Interlingua numerals",
        "Interlingua terms borrowed from Latin",
        "Interlingua terms derived from Latin"
      ],
      "glosses": [
        "two"
      ],
      "links": [
        [
          "two",
          "two"
        ]
      ]
    }
  ],
  "word": "duo"
}