"кра" meaning in Old East Slavic

{
  "etymology_templates": [
    {
      "args": {
        "1": "orv",
        "2": "sla-pro",
        "3": "*kъra"
      },
      "expansion": "Proto-Slavic *kъra",
      "name": "inh"
    },
    {
      "args": {
        "1": "zlw-ocs",
        "2": "kra",
        "t": "piece of rock or other material"
      },
      "expansion": "Old Czech kra (“piece of rock or other material”)",
      "name": "cog"
    }
  ],
  "etymology_text": "According to Sreznevsky from Proto-Slavic *kъra. Akin to Old Czech kra (“piece of rock or other material”).",
  "forms": [
    {
      "form": "kra",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "orv",
        "10": "",
        "11": "",
        "12": "",
        "13": "",
        "14": "",
        "2": "noun",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "9": "",
        "g": "f",
        "g2": "",
        "g3": "",
        "head": "",
        "sc": "",
        "tr": ""
      },
      "expansion": "кра (kra) f",
      "name": "head"
    },
    {
      "args": {
        "1": "f"
      },
      "expansion": "кра (kra) f",
      "name": "orv-noun"
    }
  ],
  "lang": "Old East Slavic",
  "lang_code": "orv",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "kŭra",
          "word": "къра"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Old East Slavic 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"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "orv",
          "name": "Water",
          "orig": "orv:Water",
          "parents": [
            "Liquids",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of къра (kŭra)"
      ],
      "id": "en-кра-orv-noun-mzFeDu42",
      "links": [
        [
          "къра",
          "къра#Old_East_Slavic"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "feminine"
      ]
    }
  ],
  "word": "кра"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "orv",
        "2": "sla-pro",
        "3": "*kъra"
      },
      "expansion": "Proto-Slavic *kъra",
      "name": "inh"
    },
    {
      "args": {
        "1": "zlw-ocs",
        "2": "kra",
        "t": "piece of rock or other material"
      },
      "expansion": "Old Czech kra (“piece of rock or other material”)",
      "name": "cog"
    }
  ],
  "etymology_text": "According to Sreznevsky from Proto-Slavic *kъra. Akin to Old Czech kra (“piece of rock or other material”).",
  "forms": [
    {
      "form": "kra",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "orv",
        "10": "",
        "11": "",
        "12": "",
        "13": "",
        "14": "",
        "2": "noun",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "9": "",
        "g": "f",
        "g2": "",
        "g3": "",
        "head": "",
        "sc": "",
        "tr": ""
      },
      "expansion": "кра (kra) f",
      "name": "head"
    },
    {
      "args": {
        "1": "f"
      },
      "expansion": "кра (kra) f",
      "name": "orv-noun"
    }
  ],
  "lang": "Old East Slavic",
  "lang_code": "orv",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "kŭra",
          "word": "къра"
        }
      ],
      "categories": [
        "Old East Slavic entries with incorrect language header",
        "Old East Slavic feminine nouns",
        "Old East Slavic lemmas",
        "Old East Slavic nouns",
        "Old East Slavic terms derived from Proto-Slavic",
        "Old East Slavic terms inherited from Proto-Slavic",
        "Pages with 1 entry",
        "Pages with entries",
        "orv:Water"
      ],
      "glosses": [
        "Alternative form of къра (kŭra)"
      ],
      "links": [
        [
          "къра",
          "къра#Old_East_Slavic"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "feminine"
      ]
    }
  ],
  "word": "кра"
}