"четврьтъкъ" meaning in Old Church Slavonic

{
  "forms": [
    {
      "form": "četvrĭtŭkŭ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "cu",
        "2": "noun",
        "g": "m",
        "g2": "",
        "g3": "",
        "head": "",
        "sc": "",
        "tr": ""
      },
      "expansion": "четврьтъкъ • (četvrĭtŭkŭ) m",
      "name": "head"
    },
    {
      "args": {
        "1": "m"
      },
      "expansion": "четврьтъкъ • (četvrĭtŭkŭ) m",
      "name": "cu-noun"
    }
  ],
  "lang": "Old Church Slavonic",
  "lang_code": "cu",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Church Slavonic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "alt": "'",
          "roman": "ponedělŭkŭ",
          "word": "понедѣлъкъ"
        },
        {
          "roman": "vŭtorŭkŭ",
          "word": "въторъкъ"
        },
        {
          "roman": "srěda",
          "word": "срѣда"
        },
        {
          "roman": "pętŭkŭ",
          "word": "пѧтъкъ"
        },
        {
          "roman": "paraskevĭgii",
          "word": "параскевьгии"
        },
        {
          "roman": "sobota",
          "word": "собота"
        },
        {
          "roman": "sǫbota",
          "word": "сѫбота"
        },
        {
          "roman": "nedělja",
          "word": "недѣлꙗ"
        }
      ],
      "glosses": [
        "Thursday"
      ],
      "id": "en-четврьтъкъ-cu-noun-~CZiBi~9",
      "links": [
        [
          "Thursday",
          "Thursday"
        ]
      ]
    }
  ],
  "word": "четврьтъкъ"
}

{
  "coordinate_terms": [
    {
      "alt": "'",
      "roman": "ponedělŭkŭ",
      "word": "понедѣлъкъ"
    },
    {
      "roman": "vŭtorŭkŭ",
      "word": "въторъкъ"
    },
    {
      "roman": "srěda",
      "word": "срѣда"
    },
    {
      "roman": "pętŭkŭ",
      "word": "пѧтъкъ"
    },
    {
      "roman": "paraskevĭgii",
      "word": "параскевьгии"
    },
    {
      "roman": "sobota",
      "word": "собота"
    },
    {
      "roman": "sǫbota",
      "word": "сѫбота"
    },
    {
      "roman": "nedělja",
      "word": "недѣлꙗ"
    }
  ],
  "forms": [
    {
      "form": "četvrĭtŭkŭ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "cu",
        "2": "noun",
        "g": "m",
        "g2": "",
        "g3": "",
        "head": "",
        "sc": "",
        "tr": ""
      },
      "expansion": "четврьтъкъ • (četvrĭtŭkŭ) m",
      "name": "head"
    },
    {
      "args": {
        "1": "m"
      },
      "expansion": "четврьтъкъ • (četvrĭtŭkŭ) m",
      "name": "cu-noun"
    }
  ],
  "lang": "Old Church Slavonic",
  "lang_code": "cu",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Old Church Slavonic entries with incorrect language header",
        "Old Church Slavonic lemmas",
        "Old Church Slavonic masculine nouns",
        "Old Church Slavonic nouns",
        "Pages with 1 entry"
      ],
      "glosses": [
        "Thursday"
      ],
      "links": [
        [
          "Thursday",
          "Thursday"
        ]
      ]
    }
  ],
  "word": "четврьтъкъ"
}