"arkwiññe" meaning in Tocharian B

{
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "ārkwi",
        "3": "-ññe",
        "t1": "white"
      },
      "expansion": "ārkwi (“white”) + -ññe",
      "name": "af"
    }
  ],
  "etymology_text": "From ārkwi (“white”) + -ññe.",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "n",
        "head": ""
      },
      "expansion": "arkwiññe n",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "n"
      },
      "expansion": "arkwiññe n",
      "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": "other",
          "name": "Tocharian B terms suffixed with -ññe",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "txb",
          "name": "Colors",
          "orig": "txb:Colors",
          "parents": [
            "Light",
            "Vision",
            "Energy",
            "Senses",
            "Nature",
            "Perception",
            "All topics",
            "Body",
            "Fundamental",
            "Human"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "whiteness"
      ],
      "id": "en-arkwiññe-txb-noun-PE1imvxD",
      "links": [
        [
          "whiteness",
          "whiteness"
        ]
      ],
      "tags": [
        "neuter"
      ]
    }
  ],
  "word": "arkwiññe"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "ārkwi",
        "3": "-ññe",
        "t1": "white"
      },
      "expansion": "ārkwi (“white”) + -ññe",
      "name": "af"
    }
  ],
  "etymology_text": "From ārkwi (“white”) + -ññe.",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "n",
        "head": ""
      },
      "expansion": "arkwiññe n",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "n"
      },
      "expansion": "arkwiññe n",
      "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 neuter nouns",
        "Tocharian B nouns",
        "Tocharian B terms suffixed with -ññe",
        "txb:Colors"
      ],
      "glosses": [
        "whiteness"
      ],
      "links": [
        [
          "whiteness",
          "whiteness"
        ]
      ],
      "tags": [
        "neuter"
      ]
    }
  ],
  "word": "arkwiññe"
}