"поустъ" meaning in Old Church Slavonic

{
  "etymology_templates": [
    {
      "args": {
        "1": "cu",
        "2": "sla-pro",
        "3": "*pustъ"
      },
      "expansion": "Proto-Slavic *pustъ",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *pustъ.",
  "forms": [
    {
      "form": "pustŭ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "cu",
        "10": "",
        "11": "",
        "12": "",
        "13": "",
        "14": "",
        "15": "",
        "16": "",
        "17": "",
        "18": "",
        "19": "",
        "2": "adjective",
        "20": "",
        "21": "",
        "22": "",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "9": "",
        "head": "",
        "sc": "",
        "tr": ""
      },
      "expansion": "поустъ • (pustŭ)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "поустъ • (pustŭ)",
      "name": "cu-adj"
    }
  ],
  "lang": "Old Church Slavonic",
  "lang_code": "cu",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Church Slavonic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "roman": "pustiti",
          "word": "поустити"
        },
        {
          "roman": "pustota",
          "word": "поустота"
        },
        {
          "roman": "pustošije",
          "word": "поустошие"
        },
        {
          "roman": "pustošĭ",
          "word": "поустошь"
        },
        {
          "roman": "pustošĭnikŭ",
          "word": "поустошьникъ"
        },
        {
          "roman": "pustošĭnŭ",
          "word": "поустошьнъ"
        },
        {
          "roman": "pustyni",
          "word": "поустꙑни"
        },
        {
          "roman": "pustynĭnikŭ",
          "word": "поустꙑньникъ"
        },
        {
          "roman": "puštati",
          "word": "поущати"
        }
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "from Codex Marianus, 1141300",
          "text": "ꙇ҅ слꙑшавъ и꙯с · отиде отъ тꙋдѣ въ корабли · въ пꙋсто мѣсто единъ ·\ni҅ slyšavŭ i꙯s · otide otŭ tudě vŭ korabli · vŭ pusto město edinŭ ·",
          "type": "quotation"
        }
      ],
      "glosses": [
        "empty, desert, desolate"
      ],
      "id": "en-поустъ-cu-adj-T1e1sa5m",
      "links": [
        [
          "empty",
          "empty"
        ],
        [
          "desert",
          "desert"
        ],
        [
          "desolate",
          "desolate"
        ]
      ]
    }
  ],
  "word": "поустъ"
}

{
  "derived": [
    {
      "roman": "pustiti",
      "word": "поустити"
    },
    {
      "roman": "pustota",
      "word": "поустота"
    },
    {
      "roman": "pustošije",
      "word": "поустошие"
    },
    {
      "roman": "pustošĭ",
      "word": "поустошь"
    },
    {
      "roman": "pustošĭnikŭ",
      "word": "поустошьникъ"
    },
    {
      "roman": "pustošĭnŭ",
      "word": "поустошьнъ"
    },
    {
      "roman": "pustyni",
      "word": "поустꙑни"
    },
    {
      "roman": "pustynĭnikŭ",
      "word": "поустꙑньникъ"
    },
    {
      "roman": "puštati",
      "word": "поущати"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "cu",
        "2": "sla-pro",
        "3": "*pustъ"
      },
      "expansion": "Proto-Slavic *pustъ",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *pustъ.",
  "forms": [
    {
      "form": "pustŭ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "cu",
        "10": "",
        "11": "",
        "12": "",
        "13": "",
        "14": "",
        "15": "",
        "16": "",
        "17": "",
        "18": "",
        "19": "",
        "2": "adjective",
        "20": "",
        "21": "",
        "22": "",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "9": "",
        "head": "",
        "sc": "",
        "tr": ""
      },
      "expansion": "поустъ • (pustŭ)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "поустъ • (pustŭ)",
      "name": "cu-adj"
    }
  ],
  "lang": "Old Church Slavonic",
  "lang_code": "cu",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Old Church Slavonic adjectives",
        "Old Church Slavonic entries with incorrect language header",
        "Old Church Slavonic lemmas",
        "Old Church Slavonic terms derived from Proto-Slavic",
        "Old Church Slavonic terms inherited from Proto-Slavic",
        "Old Church Slavonic terms with quotations",
        "Requests for translations of Old Church Slavonic quotations"
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "from Codex Marianus, 1141300",
          "text": "ꙇ҅ слꙑшавъ и꙯с · отиде отъ тꙋдѣ въ корабли · въ пꙋсто мѣсто единъ ·\ni҅ slyšavŭ i꙯s · otide otŭ tudě vŭ korabli · vŭ pusto město edinŭ ·",
          "type": "quotation"
        }
      ],
      "glosses": [
        "empty, desert, desolate"
      ],
      "links": [
        [
          "empty",
          "empty"
        ],
        [
          "desert",
          "desert"
        ],
        [
          "desolate",
          "desolate"
        ]
      ]
    }
  ],
  "word": "поустъ"
}