"iyā-" meaning in Tocharian B

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "yateññe"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "ine-toc-pro",
        "3": "*iyā-"
      },
      "expansion": "Proto-Tocharian *iyā-",
      "name": "inh"
    },
    {
      "args": {
        "1": "txb",
        "2": "ine-pro",
        "3": "*yeh₂-"
      },
      "expansion": "Proto-Indo-European *yeh₂-",
      "name": "der"
    },
    {
      "args": {
        "1": "sa",
        "2": "याति"
      },
      "expansion": "Sanskrit याति (yāti)",
      "name": "cog"
    },
    {
      "args": {
        "1": "xto",
        "2": "yā-"
      },
      "expansion": "Tocharian A yā-",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Tocharian *iyā-, from Proto-Indo-European *yeh₂-. Cognate with Sanskrit याति (yāti). Compare Tocharian A yā-.",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "verb"
      },
      "expansion": "iyā-",
      "name": "head"
    }
  ],
  "lang": "Tocharian B",
  "lang_code": "txb",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "32 18 32 18",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "25 25 25 25",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "Tocharian B entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "to go, travel"
      ],
      "id": "en-iyā--txb-verb-gezhoB0c",
      "links": [
        [
          "go",
          "go"
        ],
        [
          "travel",
          "travel"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "100 0",
          "sense": "to go",
          "word": "i-"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "32 18 32 18",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "25 25 25 25",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "Tocharian B entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "to lead, drive"
      ],
      "id": "en-iyā--txb-verb-F8bIFbIo",
      "links": [
        [
          "lead",
          "lead"
        ],
        [
          "drive",
          "drive"
        ]
      ]
    }
  ],
  "word": "iyā-"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Tocharian B entries with incorrect language header",
    "Tocharian B lemmas",
    "Tocharian B terms derived from Proto-Indo-European",
    "Tocharian B terms derived from Proto-Tocharian",
    "Tocharian B terms inherited from Proto-Tocharian",
    "Tocharian B verbs"
  ],
  "derived": [
    {
      "word": "yateññe"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "ine-toc-pro",
        "3": "*iyā-"
      },
      "expansion": "Proto-Tocharian *iyā-",
      "name": "inh"
    },
    {
      "args": {
        "1": "txb",
        "2": "ine-pro",
        "3": "*yeh₂-"
      },
      "expansion": "Proto-Indo-European *yeh₂-",
      "name": "der"
    },
    {
      "args": {
        "1": "sa",
        "2": "याति"
      },
      "expansion": "Sanskrit याति (yāti)",
      "name": "cog"
    },
    {
      "args": {
        "1": "xto",
        "2": "yā-"
      },
      "expansion": "Tocharian A yā-",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Tocharian *iyā-, from Proto-Indo-European *yeh₂-. Cognate with Sanskrit याति (yāti). Compare Tocharian A yā-.",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "verb"
      },
      "expansion": "iyā-",
      "name": "head"
    }
  ],
  "lang": "Tocharian B",
  "lang_code": "txb",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "to go, travel"
      ],
      "links": [
        [
          "go",
          "go"
        ],
        [
          "travel",
          "travel"
        ]
      ]
    },
    {
      "glosses": [
        "to lead, drive"
      ],
      "links": [
        [
          "lead",
          "lead"
        ],
        [
          "drive",
          "drive"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "to go",
      "word": "i-"
    }
  ],
  "word": "iyā-"
}