"lyäk-" meaning in Tocharian B

{
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "ine-toc-pro",
        "3": "-"
      },
      "expansion": "Proto-Tocharian",
      "name": "inh"
    },
    {
      "args": {
        "1": "txb",
        "2": "ine-pro",
        "3": "*legʰ-",
        "4": "",
        "5": "to lie down"
      },
      "expansion": "Proto-Indo-European *legʰ- (“to lie down”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Tocharian, from Proto-Indo-European *legʰ- (“to lie down”).",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "verb"
      },
      "expansion": "lyäk-",
      "name": "head"
    }
  ],
  "lang": "Tocharian B",
  "lang_code": "txb",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Tocharian B entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "elykatte"
        },
        {
          "word": "lyśalyñeṣṣe"
        }
      ],
      "glosses": [
        "to lie, lie down"
      ],
      "id": "en-lyäk--txb-verb-pa9GANUf",
      "links": [
        [
          "lie",
          "lie"
        ],
        [
          "lie down",
          "lie down"
        ]
      ],
      "related": [
        {
          "word": "leke"
        },
        {
          "word": "leki"
        },
        {
          "word": "lest"
        },
        {
          "word": "lesto"
        },
        {
          "word": "lyak"
        },
        {
          "tags": [
            "possibly"
          ],
          "word": "lyāk"
        }
      ]
    }
  ],
  "word": "lyäk-"
}

{
  "derived": [
    {
      "word": "elykatte"
    },
    {
      "word": "lyśalyñeṣṣe"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "txb",
        "2": "ine-toc-pro",
        "3": "-"
      },
      "expansion": "Proto-Tocharian",
      "name": "inh"
    },
    {
      "args": {
        "1": "txb",
        "2": "ine-pro",
        "3": "*legʰ-",
        "4": "",
        "5": "to lie down"
      },
      "expansion": "Proto-Indo-European *legʰ- (“to lie down”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Tocharian, from Proto-Indo-European *legʰ- (“to lie down”).",
  "head_templates": [
    {
      "args": {
        "1": "txb",
        "2": "verb"
      },
      "expansion": "lyäk-",
      "name": "head"
    }
  ],
  "lang": "Tocharian B",
  "lang_code": "txb",
  "pos": "verb",
  "related": [
    {
      "word": "leke"
    },
    {
      "word": "leki"
    },
    {
      "word": "lest"
    },
    {
      "word": "lesto"
    },
    {
      "word": "lyak"
    },
    {
      "tags": [
        "possibly"
      ],
      "word": "lyāk"
    }
  ],
  "senses": [
    {
      "categories": [
        "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"
      ],
      "glosses": [
        "to lie, lie down"
      ],
      "links": [
        [
          "lie",
          "lie"
        ],
        [
          "lie down",
          "lie down"
        ]
      ]
    }
  ],
  "word": "lyäk-"
}