"kerū" meaning in Tocharian B

{
  "etymology_templates": [
    {
      "args": {
        "1": "xto",
        "2": "karel"
      },
      "expansion": "Tocharian A karel",
      "name": "cog"
    },
    {
      "args": {
        "1": "txb",
        "2": "ine-pro",
        "3": "*kʷer-",
        "4": "",
        "5": "to do, make"
      },
      "expansion": "Proto-Indo-European *kʷer- (“to do, make”)",
      "name": "der"
    },
    {
      "args": {
        "1": "gem-pro",
        "2": "*hweraz"
      },
      "expansion": "Proto-Germanic *hweraz",
      "name": "cog"
    },
    {
      "args": {
        "1": "sga",
        "2": "coire"
      },
      "expansion": "Old Irish coire",
      "name": "cog"
    },
    {
      "args": {
        "1": "ru",
        "2": "чара"
      },
      "expansion": "Russian чара (čara)",
      "name": "cog"
    },
    {
      "args": {
        "1": "sa",
        "2": "चरु",
        "3": "",
        "4": "bowl"
      },
      "expansion": "Sanskrit चरु (caru, “bowl”)",
      "name": "cog"
    }
  ],
  "etymology_text": "Related to Tocharian A karel, both ultimately from Proto-Indo-European *kʷer- (“to do, make”), the source of many IE words meaning \"cauldron\", similar to the shape of a drum. Given the semantic shift from \"making\" > \"vessel for making things in\" > \"thing shaped like that vessel\", and that only the first meaning exists in PIE, it can be assumed that there was an unattested original form (perhaps in Proto-Tocharian) that meant \"cauldron\" or the like. Compare Proto-Germanic *hweraz, Old Irish coire, Russian чара (čara), Sanskrit चरु (caru, “bowl”), etc.",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "m",
        "head": ""
      },
      "expansion": "kerū m",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "m"
      },
      "expansion": "kerū m",
      "name": "txb-noun"
    }
  ],
  "lang": "Tocharian B",
  "lang_code": "txb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Tocharian B entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "txb",
          "name": "Music",
          "orig": "txb:Music",
          "parents": [
            "Art",
            "Sound",
            "Culture",
            "Energy",
            "Society",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "txb",
          "name": "Tools",
          "orig": "txb:Tools",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "drum"
      ],
      "id": "en-kerū-txb-noun-J1KitURv",
      "links": [
        [
          "music",
          "music"
        ],
        [
          "drum",
          "drum"
        ]
      ],
      "raw_glosses": [
        "(music) drum"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ],
      "wikipedia": [
        "Proto-Indo-European",
        "Tocharian languages"
      ]
    }
  ],
  "word": "kerū"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "xto",
        "2": "karel"
      },
      "expansion": "Tocharian A karel",
      "name": "cog"
    },
    {
      "args": {
        "1": "txb",
        "2": "ine-pro",
        "3": "*kʷer-",
        "4": "",
        "5": "to do, make"
      },
      "expansion": "Proto-Indo-European *kʷer- (“to do, make”)",
      "name": "der"
    },
    {
      "args": {
        "1": "gem-pro",
        "2": "*hweraz"
      },
      "expansion": "Proto-Germanic *hweraz",
      "name": "cog"
    },
    {
      "args": {
        "1": "sga",
        "2": "coire"
      },
      "expansion": "Old Irish coire",
      "name": "cog"
    },
    {
      "args": {
        "1": "ru",
        "2": "чара"
      },
      "expansion": "Russian чара (čara)",
      "name": "cog"
    },
    {
      "args": {
        "1": "sa",
        "2": "चरु",
        "3": "",
        "4": "bowl"
      },
      "expansion": "Sanskrit चरु (caru, “bowl”)",
      "name": "cog"
    }
  ],
  "etymology_text": "Related to Tocharian A karel, both ultimately from Proto-Indo-European *kʷer- (“to do, make”), the source of many IE words meaning \"cauldron\", similar to the shape of a drum. Given the semantic shift from \"making\" > \"vessel for making things in\" > \"thing shaped like that vessel\", and that only the first meaning exists in PIE, it can be assumed that there was an unattested original form (perhaps in Proto-Tocharian) that meant \"cauldron\" or the like. Compare Proto-Germanic *hweraz, Old Irish coire, Russian чара (čara), Sanskrit चरु (caru, “bowl”), etc.",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "m",
        "head": ""
      },
      "expansion": "kerū m",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "m"
      },
      "expansion": "kerū m",
      "name": "txb-noun"
    }
  ],
  "lang": "Tocharian B",
  "lang_code": "txb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Tocharian B entries with incorrect language header",
        "Tocharian B lemmas",
        "Tocharian B masculine nouns",
        "Tocharian B nouns",
        "Tocharian B terms derived from Proto-Indo-European",
        "Tocharian B terms spelled with Ū",
        "txb:Music",
        "txb:Tools"
      ],
      "glosses": [
        "drum"
      ],
      "links": [
        [
          "music",
          "music"
        ],
        [
          "drum",
          "drum"
        ]
      ],
      "raw_glosses": [
        "(music) drum"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ],
      "wikipedia": [
        "Proto-Indo-European",
        "Tocharian languages"
      ]
    }
  ],
  "word": "kerū"
}