"essenciau" meaning in Occitan

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en occitan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en occitan issus d’un mot en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en occitan suffixés avec -au",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Occitan",
      "orig": "occitan",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du latin essentialis."
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "adj",
  "pos_title": "Adjectif",
  "related": [
    {
      "raw_tags": [
        "Languedocien"
      ],
      "word": "essencial"
    },
    {
      "word": "basic"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Occitan provençal",
          "orig": "occitan provençal",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Essentiel."
      ],
      "id": "fr-essenciau-oc-adj-4egvP8GF",
      "raw_tags": [
        "Provençal"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Occitan gascon",
          "orig": "occitan gascon",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Essentiel."
      ],
      "id": "fr-essenciau-oc-adj-4egvP8GF1",
      "raw_tags": [
        "Gascon"
      ]
    }
  ],
  "word": "essenciau"
}

{
  "categories": [
    "Adjectifs en occitan",
    "Mots en occitan issus d’un mot en latin",
    "Mots en occitan suffixés avec -au",
    "occitan"
  ],
  "etymology_texts": [
    "Du latin essentialis."
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "adj",
  "pos_title": "Adjectif",
  "related": [
    {
      "raw_tags": [
        "Languedocien"
      ],
      "word": "essencial"
    },
    {
      "word": "basic"
    }
  ],
  "senses": [
    {
      "categories": [
        "occitan provençal"
      ],
      "glosses": [
        "Essentiel."
      ],
      "raw_tags": [
        "Provençal"
      ]
    },
    {
      "categories": [
        "occitan gascon"
      ],
      "glosses": [
        "Essentiel."
      ],
      "raw_tags": [
        "Gascon"
      ]
    }
  ],
  "word": "essenciau"
}