"teść" meaning in Polonais

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en polonais issus d’un mot en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en polonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Polonais",
      "orig": "polonais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du vieux slave тьсть, tĭstĭ qui donne aussi le russe тесть ; probablement apparenté au latin tata (« papa »)."
  ],
  "forms": [
    {
      "form": "teściowa",
      "source": "form line template 'équiv-pour'",
      "tags": [
        "feminine"
      ]
    }
  ],
  "lang": "Polonais",
  "lang_code": "pl",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "masculin animé"
  ],
  "related": [
    {
      "word": "teściowy"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en polonais de la famille",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en polonais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Beau-père."
      ],
      "id": "fr-teść-pl-noun-9gutcZGp",
      "raw_tags": [
        "Famille"
      ]
    }
  ],
  "word": "teść"
}

{
  "categories": [
    "Mots en polonais issus d’un mot en vieux slave",
    "Noms communs en polonais",
    "polonais"
  ],
  "etymology_texts": [
    "Du vieux slave тьсть, tĭstĭ qui donne aussi le russe тесть ; probablement apparenté au latin tata (« papa »)."
  ],
  "forms": [
    {
      "form": "teściowa",
      "source": "form line template 'équiv-pour'",
      "tags": [
        "feminine"
      ]
    }
  ],
  "lang": "Polonais",
  "lang_code": "pl",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "masculin animé"
  ],
  "related": [
    {
      "word": "teściowy"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en polonais de la famille",
        "Wiktionnaire:Exemples manquants en polonais"
      ],
      "glosses": [
        "Beau-père."
      ],
      "raw_tags": [
        "Famille"
      ]
    }
  ],
  "word": "teść"
}