"byštaj" meaning in Upper Sorbian

{
  "head_templates": [
    {
      "args": {
        "1": "hsb",
        "2": "verb form"
      },
      "expansion": "byštaj",
      "name": "head"
    }
  ],
  "hyphenation": [
    "by‧š‧taj"
  ],
  "lang": "Upper Sorbian",
  "lang_code": "hsb",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Upper Sorbian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "być"
        }
      ],
      "glosses": [
        "second/third-person dual virile conditional of być"
      ],
      "id": "en-byštaj-hsb-verb-VPE3Ssrr",
      "links": [
        [
          "być",
          "być#Upper Sorbian"
        ]
      ],
      "tags": [
        "conditional",
        "dual",
        "form-of",
        "second-person",
        "third-person",
        "virile"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbɨʃtaj/"
    },
    {
      "rhymes": "-ɨʃtaj"
    }
  ],
  "word": "byštaj"
}

{
  "head_templates": [
    {
      "args": {
        "1": "hsb",
        "2": "verb form"
      },
      "expansion": "byštaj",
      "name": "head"
    }
  ],
  "hyphenation": [
    "by‧š‧taj"
  ],
  "lang": "Upper Sorbian",
  "lang_code": "hsb",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Rhymes:Upper Sorbian/ɨʃtaj",
        "Rhymes:Upper Sorbian/ɨʃtaj/3 syllables",
        "Upper Sorbian entries with incorrect language header",
        "Upper Sorbian non-lemma forms",
        "Upper Sorbian terms with IPA pronunciation",
        "Upper Sorbian verb forms"
      ],
      "form_of": [
        {
          "word": "być"
        }
      ],
      "glosses": [
        "second/third-person dual virile conditional of być"
      ],
      "links": [
        [
          "być",
          "być#Upper Sorbian"
        ]
      ],
      "tags": [
        "conditional",
        "dual",
        "form-of",
        "second-person",
        "third-person",
        "virile"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbɨʃtaj/"
    },
    {
      "rhymes": "-ɨʃtaj"
    }
  ],
  "word": "byštaj"
}