"ārk" meaning in Tocharian B

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "sa",
        "3": "अर्क"
      },
      "expansion": "Learned borrowing from Sanskrit अर्क (arka)",
      "name": "lbor"
    }
  ],
  "etymology_text": "Learned borrowing from Sanskrit अर्क (arka).",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "m",
        "head": ""
      },
      "expansion": "ārk m",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "m"
      },
      "expansion": "ārk m",
      "name": "txb-noun"
    }
  ],
  "lang": "Tocharian B",
  "lang_code": "txb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "93 7",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "96 4",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "94 6",
          "kind": "other",
          "name": "Tocharian B entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "88 12",
          "kind": "topical",
          "langcode": "txb",
          "name": "Botany",
          "orig": "txb:Botany",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "crown flower, Calotropis gigantea"
      ],
      "id": "en-ārk-txb-noun-oYyVKn1M",
      "links": [
        [
          "crown flower",
          "crown flower"
        ],
        [
          "Calotropis gigantea",
          "Calotropis gigantea#Translingual"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "ārk"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "txb"
      },
      "expansion": "Uncertain",
      "name": "unc"
    }
  ],
  "etymology_text": "Uncertain, probably related to ārc- (“to merit, deserve”).",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "?",
        "head": ""
      },
      "expansion": "ārk ?",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "?"
      },
      "expansion": "ārk ?",
      "name": "txb-noun"
    }
  ],
  "lang": "Tocharian B",
  "lang_code": "txb",
  "pos": "noun",
  "senses": [
    {
      "derived": [
        {
          "word": "arkiye"
        }
      ],
      "glosses": [
        "something fitting, obligation"
      ],
      "id": "en-ārk-txb-noun-dzxVAZgs",
      "links": [
        [
          "fitting",
          "fitting"
        ],
        [
          "obligation",
          "obligation"
        ]
      ]
    }
  ],
  "word": "ārk"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Requests for gender in Tocharian B entries",
    "Tocharian B entries with incorrect language header",
    "Tocharian B learned borrowings from Sanskrit",
    "Tocharian B lemmas",
    "Tocharian B masculine nouns",
    "Tocharian B nouns",
    "Tocharian B terms borrowed from Sanskrit",
    "Tocharian B terms derived from Sanskrit",
    "Tocharian B terms with unknown etymologies",
    "txb:Botany"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "sa",
        "3": "अर्क"
      },
      "expansion": "Learned borrowing from Sanskrit अर्क (arka)",
      "name": "lbor"
    }
  ],
  "etymology_text": "Learned borrowing from Sanskrit अर्क (arka).",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "m",
        "head": ""
      },
      "expansion": "ārk m",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "m"
      },
      "expansion": "ārk m",
      "name": "txb-noun"
    }
  ],
  "lang": "Tocharian B",
  "lang_code": "txb",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "crown flower, Calotropis gigantea"
      ],
      "links": [
        [
          "crown flower",
          "crown flower"
        ],
        [
          "Calotropis gigantea",
          "Calotropis gigantea#Translingual"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "ārk"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Requests for gender in Tocharian B entries",
    "Tocharian B entries with incorrect language header",
    "Tocharian B lemmas",
    "Tocharian B nouns",
    "Tocharian B terms with unknown etymologies",
    "txb:Botany"
  ],
  "derived": [
    {
      "word": "arkiye"
    }
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "txb"
      },
      "expansion": "Uncertain",
      "name": "unc"
    }
  ],
  "etymology_text": "Uncertain, probably related to ārc- (“to merit, deserve”).",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "noun",
        "g": "?",
        "head": ""
      },
      "expansion": "ārk ?",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "?"
      },
      "expansion": "ārk ?",
      "name": "txb-noun"
    }
  ],
  "lang": "Tocharian B",
  "lang_code": "txb",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "something fitting, obligation"
      ],
      "links": [
        [
          "fitting",
          "fitting"
        ],
        [
          "obligation",
          "obligation"
        ]
      ]
    }
  ],
  "word": "ārk"
}