"gammà" meaning in Occitan

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en occitan issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en occitan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms des lettres grecques en occitan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Occitan en graphie normalisée",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Occitan",
      "orig": "occitan",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du grec ancien γάμμα, gámma."
  ],
  "forms": [
    {
      "form": "gammàs",
      "ipas": [
        "\\gaˈmas\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "graphie normalisée"
  ],
  "related": [
    {
      "word": "gamma"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "gamma"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Gallicismes en occitan",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Variante de gamma."
      ],
      "id": "fr-gammà-oc-noun-wbL~c2di",
      "raw_tags": [
        "Gallicisme"
      ],
      "tags": [
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\gaˈma\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "gammà"
}

{
  "categories": [
    "Mots en occitan issus d’un mot en grec ancien",
    "Noms communs en occitan",
    "Noms des lettres grecques en occitan",
    "Occitan en graphie normalisée",
    "occitan"
  ],
  "etymology_texts": [
    "Du grec ancien γάμμα, gámma."
  ],
  "forms": [
    {
      "form": "gammàs",
      "ipas": [
        "\\gaˈmas\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "graphie normalisée"
  ],
  "related": [
    {
      "word": "gamma"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "gamma"
        }
      ],
      "categories": [
        "Gallicismes en occitan"
      ],
      "glosses": [
        "Variante de gamma."
      ],
      "raw_tags": [
        "Gallicisme"
      ],
      "tags": [
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\gaˈma\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "gammà"
}