"o" meaning in Occitan

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "oc",
        "2": "la",
        "3": "aut"
      },
      "expansion": "Latin aut",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin aut.",
  "head_templates": [
    {
      "args": {
        "1": "oc",
        "2": "conjunctions"
      },
      "expansion": "o",
      "name": "head"
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "conj",
  "senses": [
    {
      "glosses": [
        "or"
      ],
      "id": "en-o-oc-conj-cXVRejcL",
      "links": [
        [
          "or",
          "or"
        ]
      ]
    }
  ],
  "word": "o"
}

{
  "etymology_number": 2,
  "forms": [
    {
      "form": "os",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "oc",
        "2": "nouns",
        "3": "plural",
        "4": "os",
        "g": "f"
      },
      "expansion": "o f (plural os)",
      "name": "head"
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Occitan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "topical",
          "langcode": "oc",
          "name": "Latin letter names",
          "orig": "oc:Latin letter names",
          "parents": [
            "Letter names",
            "Letters, symbols, and punctuation",
            "Names",
            "Orthography",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Writing",
            "Fundamental",
            "Nouns",
            "Human behaviour",
            "Language",
            "Lemmas",
            "Human",
            "Communication"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "o (the letter o, O)"
      ],
      "id": "en-o-oc-noun--m99o9TL",
      "links": [
        [
          "o",
          "#Translingual"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "o"
}

{
  "categories": [
    "Occitan conjunctions",
    "Occitan entries with incorrect language header",
    "Occitan feminine nouns",
    "Occitan lemmas",
    "Occitan nouns",
    "Occitan terms derived from Latin",
    "Pages with raw sortkeys",
    "oc:Latin letter names"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "oc",
        "2": "la",
        "3": "aut"
      },
      "expansion": "Latin aut",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin aut.",
  "head_templates": [
    {
      "args": {
        "1": "oc",
        "2": "conjunctions"
      },
      "expansion": "o",
      "name": "head"
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "conj",
  "senses": [
    {
      "glosses": [
        "or"
      ],
      "links": [
        [
          "or",
          "or"
        ]
      ]
    }
  ],
  "word": "o"
}

{
  "categories": [
    "Occitan entries with incorrect language header",
    "Occitan feminine nouns",
    "Occitan lemmas",
    "Occitan nouns",
    "Pages with raw sortkeys",
    "oc:Latin letter names"
  ],
  "etymology_number": 2,
  "forms": [
    {
      "form": "os",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "oc",
        "2": "nouns",
        "3": "plural",
        "4": "os",
        "g": "f"
      },
      "expansion": "o f (plural os)",
      "name": "head"
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "o (the letter o, O)"
      ],
      "links": [
        [
          "o",
          "#Translingual"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "o"
}