"cok" meaning in Tocharian B

{
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "ine-toc-pro",
        "3": "*cok"
      },
      "expansion": "Proto-Tocharian *cok",
      "name": "inh"
    },
    {
      "args": {
        "1": "txb",
        "nocap": "1"
      },
      "expansion": "uncertain",
      "name": "unc"
    },
    {
      "args": {
        "1": "txb",
        "2": "ine-pro",
        "3": "-"
      },
      "expansion": "Proto-Indo-European",
      "name": "inh"
    },
    {
      "args": {
        "1": "ang",
        "2": "þæcele",
        "t": "torch, lamp"
      },
      "expansion": "Old English þæcele (“torch, lamp”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "goh",
        "2": "dahhazzen",
        "t": "to flare up"
      },
      "expansion": "Old High German dahhazzen (“to flare up”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "txb",
        "2": "ltc",
        "3": "-"
      },
      "expansion": "Middle Chinese",
      "name": "bor"
    },
    {
      "args": {
        "1": "燭",
        "gloss": "candle"
      },
      "expansion": "燭 (MC tsyowk, “candle”)",
      "name": "ltc-l"
    },
    {
      "args": {
        "1": "och",
        "2": "燭",
        "ts": "*tok, *tjog"
      },
      "expansion": "Old Chinese 燭 (*tjoɡ /⁠*tok, *tjog⁠/)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Tocharian *cok. Further etymologies uncertain. Possibilities include:\n* From Proto-Indo-European, cognate to Old English þæcele (“torch, lamp”), Old High German dahhazzen (“to flare up”). However, reconstructions were problematic (ibid.).\n* \"More plausibly,\" from Middle Chinese 燭 (MC tsyowk, “candle”) < Old Chinese 燭 (*tjoɡ /⁠*tok, *tjog⁠/).",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "m-s",
        "head": ""
      },
      "expansion": "cok m sg",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "m-s"
      },
      "expansion": "cok m sg",
      "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"
        }
      ],
      "glosses": [
        "lamp"
      ],
      "id": "en-cok-txb-noun-yY6F8kkA",
      "links": [
        [
          "lamp",
          "lamp"
        ]
      ],
      "tags": [
        "masculine",
        "singular"
      ]
    }
  ],
  "word": "cok"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "ine-toc-pro",
        "3": "*cok"
      },
      "expansion": "Proto-Tocharian *cok",
      "name": "inh"
    },
    {
      "args": {
        "1": "txb",
        "nocap": "1"
      },
      "expansion": "uncertain",
      "name": "unc"
    },
    {
      "args": {
        "1": "txb",
        "2": "ine-pro",
        "3": "-"
      },
      "expansion": "Proto-Indo-European",
      "name": "inh"
    },
    {
      "args": {
        "1": "ang",
        "2": "þæcele",
        "t": "torch, lamp"
      },
      "expansion": "Old English þæcele (“torch, lamp”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "goh",
        "2": "dahhazzen",
        "t": "to flare up"
      },
      "expansion": "Old High German dahhazzen (“to flare up”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "txb",
        "2": "ltc",
        "3": "-"
      },
      "expansion": "Middle Chinese",
      "name": "bor"
    },
    {
      "args": {
        "1": "燭",
        "gloss": "candle"
      },
      "expansion": "燭 (MC tsyowk, “candle”)",
      "name": "ltc-l"
    },
    {
      "args": {
        "1": "och",
        "2": "燭",
        "ts": "*tok, *tjog"
      },
      "expansion": "Old Chinese 燭 (*tjoɡ /⁠*tok, *tjog⁠/)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Tocharian *cok. Further etymologies uncertain. Possibilities include:\n* From Proto-Indo-European, cognate to Old English þæcele (“torch, lamp”), Old High German dahhazzen (“to flare up”). However, reconstructions were problematic (ibid.).\n* \"More plausibly,\" from Middle Chinese 燭 (MC tsyowk, “candle”) < Old Chinese 燭 (*tjoɡ /⁠*tok, *tjog⁠/).",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "m-s",
        "head": ""
      },
      "expansion": "cok m sg",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "m-s"
      },
      "expansion": "cok m sg",
      "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-Tocharian",
        "Tocharian B terms inherited from Proto-Tocharian",
        "Tocharian B terms with unknown etymologies"
      ],
      "glosses": [
        "lamp"
      ],
      "links": [
        [
          "lamp",
          "lamp"
        ]
      ],
      "tags": [
        "masculine",
        "singular"
      ]
    }
  ],
  "word": "cok"
}