"poko" meaning in Tocharian B

{
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "ine-toc-pro",
        "3": "*pokowjä-"
      },
      "expansion": "Proto-Tocharian *pokowjä-",
      "name": "inh"
    },
    {
      "args": {
        "1": "ine-toc-pro",
        "2": "",
        "3": "*pākewjä-"
      },
      "expansion": "*pākewjä-",
      "name": "m"
    },
    {
      "args": {
        "1": "ine-pro",
        "2": "*bʰeh₂ǵʰow-h₁en-",
        "pos": "definite"
      },
      "expansion": "*bʰeh₂ǵʰow-h₁en- (definite)",
      "name": "m"
    },
    {
      "args": {
        "1": "txb",
        "2": "ine-pro",
        "3": "*bʰeh₂ǵʰús",
        "4": "",
        "5": "arm"
      },
      "expansion": "Proto-Indo-European *bʰeh₂ǵʰús (“arm”)",
      "name": "der"
    },
    {
      "args": {
        "1": "xto",
        "2": "poke"
      },
      "expansion": "Tocharian A poke",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Tocharian *pokowjä-, earlier *pākewjä-, from pre-Tocharian *bʰeh₂ǵʰow-h₁en- (definite), ultimately from Proto-Indo-European *bʰeh₂ǵʰús (“arm”). Compare Tocharian A poke.",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "f"
      },
      "expansion": "poko f",
      "name": "head"
    }
  ],
  "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": "other",
          "name": "Tocharian B entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "txb",
          "name": "Body parts",
          "orig": "txb:Body parts",
          "parents": [
            "Body",
            "Anatomy",
            "Human",
            "Biology",
            "Medicine",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "arm"
      ],
      "id": "en-poko-txb-noun-3ff~Xr2d",
      "links": [
        [
          "arm",
          "arm"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "poko"
}

{
  "categories": [
    "guu:Anatomy"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "ine-toc-pro",
        "3": "*pokowjä-"
      },
      "expansion": "Proto-Tocharian *pokowjä-",
      "name": "inh"
    },
    {
      "args": {
        "1": "ine-toc-pro",
        "2": "",
        "3": "*pākewjä-"
      },
      "expansion": "*pākewjä-",
      "name": "m"
    },
    {
      "args": {
        "1": "ine-pro",
        "2": "*bʰeh₂ǵʰow-h₁en-",
        "pos": "definite"
      },
      "expansion": "*bʰeh₂ǵʰow-h₁en- (definite)",
      "name": "m"
    },
    {
      "args": {
        "1": "txb",
        "2": "ine-pro",
        "3": "*bʰeh₂ǵʰús",
        "4": "",
        "5": "arm"
      },
      "expansion": "Proto-Indo-European *bʰeh₂ǵʰús (“arm”)",
      "name": "der"
    },
    {
      "args": {
        "1": "xto",
        "2": "poke"
      },
      "expansion": "Tocharian A poke",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Tocharian *pokowjä-, earlier *pākewjä-, from pre-Tocharian *bʰeh₂ǵʰow-h₁en- (definite), ultimately from Proto-Indo-European *bʰeh₂ǵʰús (“arm”). Compare Tocharian A poke.",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "f"
      },
      "expansion": "poko f",
      "name": "head"
    }
  ],
  "lang": "Tocharian B",
  "lang_code": "txb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Tocharian B entries with incorrect language header",
        "Tocharian B entries with topic categories using raw markup",
        "Tocharian B feminine nouns",
        "Tocharian B lemmas",
        "Tocharian B nouns",
        "Tocharian B terms derived from Proto-Indo-European",
        "Tocharian B terms derived from Proto-Tocharian",
        "Tocharian B terms inherited from Proto-Tocharian",
        "txb:Body parts"
      ],
      "glosses": [
        "arm"
      ],
      "links": [
        [
          "arm",
          "arm"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "poko"
}