"pewniyjszy" meaning in Silesian

{
  "head_templates": [
    {
      "args": {
        "1": "szl",
        "2": "comparative adjective"
      },
      "expansion": "pewniyjszy",
      "name": "head"
    }
  ],
  "hyphenation": [
    "pew‧niyj‧szy"
  ],
  "hyphenations": [
    {
      "parts": [
        "pew‧niyj‧szy"
      ]
    }
  ],
  "lang": "Silesian",
  "lang_code": "szl",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Silesian entries with incorrect language header",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "pewny"
        }
      ],
      "glosses": [
        "comparative degree of pewny"
      ],
      "id": "en-pewniyjszy-szl-adj-jIGsmjaP",
      "links": [
        [
          "pewny",
          "pewny#Silesian"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pɛvˈɲɪj.ʂɪ/"
    },
    {
      "rhymes": "-ɪjʂɪ"
    }
  ],
  "word": "pewniyjszy"
}

{
  "head_templates": [
    {
      "args": {
        "1": "szl",
        "2": "comparative adjective"
      },
      "expansion": "pewniyjszy",
      "name": "head"
    }
  ],
  "hyphenation": [
    "pew‧niyj‧szy"
  ],
  "hyphenations": [
    {
      "parts": [
        "pew‧niyj‧szy"
      ]
    }
  ],
  "lang": "Silesian",
  "lang_code": "szl",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:Silesian/ɪjʂɪ",
        "Rhymes:Silesian/ɪjʂɪ/3 syllables",
        "Silesian comparative adjectives",
        "Silesian entries with incorrect language header",
        "Silesian non-lemma forms",
        "Silesian terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "word": "pewny"
        }
      ],
      "glosses": [
        "comparative degree of pewny"
      ],
      "links": [
        [
          "pewny",
          "pewny#Silesian"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pɛvˈɲɪj.ʂɪ/"
    },
    {
      "rhymes": "-ɪjʂɪ"
    }
  ],
  "word": "pewniyjszy"
}