"duoliteral" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "duo",
        "3": "literal"
      },
      "expansion": "duo- + literal",
      "name": "prefix"
    }
  ],
  "etymology_text": "From duo- + literal.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "duoliteral (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with duo-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Consisting of two letters only; biliteral."
      ],
      "id": "en-duoliteral-en-adj-89YWY-z1",
      "links": [
        [
          "letter",
          "letter"
        ],
        [
          "biliteral",
          "biliteral"
        ]
      ],
      "raw_glosses": [
        "(archaic, rare) Consisting of two letters only; biliteral."
      ],
      "tags": [
        "archaic",
        "not-comparable",
        "rare"
      ]
    }
  ],
  "word": "duoliteral"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "duo",
        "3": "literal"
      },
      "expansion": "duo- + literal",
      "name": "prefix"
    }
  ],
  "etymology_text": "From duo- + literal.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "duoliteral (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with duo-",
        "English terms with archaic senses",
        "English terms with rare senses",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Consisting of two letters only; biliteral."
      ],
      "links": [
        [
          "letter",
          "letter"
        ],
        [
          "biliteral",
          "biliteral"
        ]
      ],
      "raw_glosses": [
        "(archaic, rare) Consisting of two letters only; biliteral."
      ],
      "tags": [
        "archaic",
        "not-comparable",
        "rare"
      ]
    }
  ],
  "word": "duoliteral"
}