"escac mat" meaning in Occitan

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en occitan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en occitan issus d’un mot en persan",
      "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 persan شاه مات, šāh māt (« le roi est mort, le roi est vaincu »)."
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "raw_tags": [
    "graphie normalisée"
  ],
  "related": [
    {
      "word": "escac e mat"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en occitan des échecs",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Échec et mat."
      ],
      "id": "fr-escac_mat-oc-noun-PdmphhDL",
      "topics": [
        "chess"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\esˈkak ˈmat\\"
    }
  ],
  "word": "escac mat"
}

{
  "categories": [
    "Locutions nominales en occitan",
    "Mots en occitan issus d’un mot en persan",
    "Occitan en graphie normalisée",
    "occitan"
  ],
  "etymology_texts": [
    "Du persan شاه مات, šāh māt (« le roi est mort, le roi est vaincu »)."
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "raw_tags": [
    "graphie normalisée"
  ],
  "related": [
    {
      "word": "escac e mat"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en occitan des échecs"
      ],
      "glosses": [
        "Échec et mat."
      ],
      "topics": [
        "chess"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\esˈkak ˈmat\\"
    }
  ],
  "word": "escac mat"
}