"letra" meaning in Galician

{
  "etymology_templates": [
    {
      "args": {
        "1": "gl",
        "2": "roa-opt",
        "3": "letra"
      },
      "expansion": "Old Galician-Portuguese letra",
      "name": "inh"
    },
    {
      "args": {
        "1": "gl",
        "2": "la",
        "3": "littera",
        "4": "",
        "5": "letter"
      },
      "expansion": "Latin littera (“letter”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "gl",
        "2": "ett"
      },
      "expansion": "Etruscan [Term?]",
      "name": "der"
    },
    {
      "args": {
        "1": "gl",
        "2": "grc",
        "3": "διφθέρα",
        "4": "",
        "5": "tablet"
      },
      "expansion": "Ancient Greek διφθέρα (diphthéra, “tablet”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Galician-Portuguese letra, letera, from Latin littera (“letter”), from Etruscan [Term?], from Ancient Greek διφθέρα (diphthéra, “tablet”).",
  "forms": [
    {
      "form": "letras",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "letra f (plural letras)",
      "name": "gl-noun"
    }
  ],
  "lang": "Galician",
  "lang_code": "gl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Galician entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 11 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "0 1 0 1 1 8 10 9 10 10 11 0 1 1 1 5 12 2 11 0 1 0 0 1 0 0 1 0",
          "kind": "other",
          "name": "Pages with 11 entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "letter of the alphabet"
      ],
      "id": "en-letra-gl-noun-9R64fgeM",
      "links": [
        [
          "letter",
          "letter"
        ],
        [
          "alphabet",
          "alphabet"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "letra"
}

{
  "categories": [
    "Pages with 11 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "gl",
        "2": "roa-opt",
        "3": "letra"
      },
      "expansion": "Old Galician-Portuguese letra",
      "name": "inh"
    },
    {
      "args": {
        "1": "gl",
        "2": "la",
        "3": "littera",
        "4": "",
        "5": "letter"
      },
      "expansion": "Latin littera (“letter”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "gl",
        "2": "ett"
      },
      "expansion": "Etruscan [Term?]",
      "name": "der"
    },
    {
      "args": {
        "1": "gl",
        "2": "grc",
        "3": "διφθέρα",
        "4": "",
        "5": "tablet"
      },
      "expansion": "Ancient Greek διφθέρα (diphthéra, “tablet”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Galician-Portuguese letra, letera, from Latin littera (“letter”), from Etruscan [Term?], from Ancient Greek διφθέρα (diphthéra, “tablet”).",
  "forms": [
    {
      "form": "letras",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "letra f (plural letras)",
      "name": "gl-noun"
    }
  ],
  "lang": "Galician",
  "lang_code": "gl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Etruscan term requests",
        "Galician countable nouns",
        "Galician entries with incorrect language header",
        "Galician feminine nouns",
        "Galician lemmas",
        "Galician nouns",
        "Galician terms derived from Ancient Greek",
        "Galician terms derived from Etruscan",
        "Galician terms derived from Latin",
        "Galician terms derived from Old Galician-Portuguese",
        "Galician terms inherited from Latin",
        "Galician terms inherited from Old Galician-Portuguese",
        "Pages with 11 entries",
        "Pages with entries"
      ],
      "glosses": [
        "letter of the alphabet"
      ],
      "links": [
        [
          "letter",
          "letter"
        ],
        [
          "alphabet",
          "alphabet"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "letra"
}