"прьси" meaning in Vieux slave

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en vieux slave issus d’un mot en proto-slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieux slave",
      "orig": "vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Étymologies en vieux slave incluant une reconstruction",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "lang": "Polonais",
      "lang_code": "pl",
      "word": "pierś"
    },
    {
      "lang": "Russe",
      "lang_code": "ru",
      "word": "перси"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "prs"
    }
  ],
  "etymology_texts": [
    "Du proto-slave *pьrsь ; plus avant de l’indo-européen *perk̂- qui donne le sanscrit पर्शु, párśu (« côte, faucille [en forme de côte] »)."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "raw_tags": [
        "Glagolitique"
      ],
      "word": "ⱂⱃⱐⱄⰻ"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en vieux slave de l’anatomie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Poitrine."
      ],
      "id": "fr-прьси-cu-noun-usLxmIyG",
      "topics": [
        "anatomy"
      ]
    },
    {
      "glosses": [
        "Seins d’une femme"
      ],
      "id": "fr-прьси-cu-noun-uQ2nctTG"
    }
  ],
  "tags": [
    "feminine",
    "plural"
  ],
  "word": "прьси"
}

{
  "categories": [
    "Mots en vieux slave issus d’un mot en proto-slave",
    "Noms communs en vieux slave",
    "vieux slave",
    "Étymologies en vieux slave incluant une reconstruction"
  ],
  "derived": [
    {
      "lang": "Polonais",
      "lang_code": "pl",
      "word": "pierś"
    },
    {
      "lang": "Russe",
      "lang_code": "ru",
      "word": "перси"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "prs"
    }
  ],
  "etymology_texts": [
    "Du proto-slave *pьrsь ; plus avant de l’indo-européen *perk̂- qui donne le sanscrit पर्शु, párśu (« côte, faucille [en forme de côte] »)."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "raw_tags": [
        "Glagolitique"
      ],
      "word": "ⱂⱃⱐⱄⰻ"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en vieux slave de l’anatomie"
      ],
      "glosses": [
        "Poitrine."
      ],
      "topics": [
        "anatomy"
      ]
    },
    {
      "glosses": [
        "Seins d’une femme"
      ]
    }
  ],
  "tags": [
    "feminine",
    "plural"
  ],
  "word": "прьси"
}