"грысти" meaning in Vieux slave

{
  "categories": [
    {
      "kind": "other",
      "name": "Verbes en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbes imperfectifs en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieux slave",
      "orig": "vieux slave",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "lang": "Biélorusse",
      "lang_code": "be",
      "word": "грызці"
    },
    {
      "lang": "Bulgare",
      "lang_code": "bg",
      "word": "гриза"
    },
    {
      "lang": "Polonais",
      "lang_code": "pl",
      "word": "gryźć"
    },
    {
      "lang": "Russe",
      "lang_code": "ru",
      "word": "грызть"
    },
    {
      "lang": "Slovaque",
      "lang_code": "sk",
      "word": "hrýzť"
    },
    {
      "lang": "Slovène",
      "lang_code": "sl",
      "word": "gristi"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "hryzat"
    }
  ],
  "etymology_texts": [
    "De l’indo-européen commun *gʷrēuĝh- ^([1]) (« ronger ») qui donne aussi le grec ancien βρύχω, βρύκω, brúkhô, brúkô (« mordre, ronger »)."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "glosses": [
        "Ronger, mordre."
      ],
      "id": "fr-грысти-cu-verb-CdJiZP4X"
    }
  ],
  "tags": [
    "imperfective"
  ],
  "word": "грысти"
}

{
  "categories": [
    "Verbes en vieux slave",
    "Verbes imperfectifs en vieux slave",
    "vieux slave"
  ],
  "derived": [
    {
      "lang": "Biélorusse",
      "lang_code": "be",
      "word": "грызці"
    },
    {
      "lang": "Bulgare",
      "lang_code": "bg",
      "word": "гриза"
    },
    {
      "lang": "Polonais",
      "lang_code": "pl",
      "word": "gryźć"
    },
    {
      "lang": "Russe",
      "lang_code": "ru",
      "word": "грызть"
    },
    {
      "lang": "Slovaque",
      "lang_code": "sk",
      "word": "hrýzť"
    },
    {
      "lang": "Slovène",
      "lang_code": "sl",
      "word": "gristi"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "hryzat"
    }
  ],
  "etymology_texts": [
    "De l’indo-européen commun *gʷrēuĝh- ^([1]) (« ronger ») qui donne aussi le grec ancien βρύχω, βρύκω, brúkhô, brúkô (« mordre, ronger »)."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "glosses": [
        "Ronger, mordre."
      ]
    }
  ],
  "tags": [
    "imperfective"
  ],
  "word": "грысти"
}