"לשווא" meaning in Hebrew

{
  "etymology_templates": [
    {
      "args": {
        "1": "he",
        "2": "לְ־",
        "3": "הַ־\n<type:naf>",
        "4": "שָׁוְא\n<t:vanity>"
      },
      "expansion": "לְ־ (l'-) + הַ־ (ha-) + שָׁוְא (sháv, “vanity”)",
      "name": "af"
    }
  ],
  "etymology_text": "From לְ־ (l'-) + הַ־ (ha-) + שָׁוְא (sháv, “vanity”).",
  "forms": [
    {
      "form": "לַשָּׁוְא",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "lasháv",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "dwv": "לַשָּׁוְא",
        "tr": "lasháv",
        "wv": "לשווא"
      },
      "expansion": "לשווא / לַשָּׁוְא • (lasháv)",
      "name": "he-adv"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Hebrew entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Hebrew terms prefixed with ל־",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "in vain"
      ],
      "id": "en-לשווא-he-adv-LseFQXGK",
      "links": [
        [
          "in vain",
          "in vain"
        ]
      ]
    }
  ],
  "word": "לשווא"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "he",
        "2": "לְ־",
        "3": "הַ־\n<type:naf>",
        "4": "שָׁוְא\n<t:vanity>"
      },
      "expansion": "לְ־ (l'-) + הַ־ (ha-) + שָׁוְא (sháv, “vanity”)",
      "name": "af"
    }
  ],
  "etymology_text": "From לְ־ (l'-) + הַ־ (ha-) + שָׁוְא (sháv, “vanity”).",
  "forms": [
    {
      "form": "לַשָּׁוְא",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "lasháv",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "dwv": "לַשָּׁוְא",
        "tr": "lasháv",
        "wv": "לשווא"
      },
      "expansion": "לשווא / לַשָּׁוְא • (lasháv)",
      "name": "he-adv"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Hebrew adverbs",
        "Hebrew compound terms",
        "Hebrew entries with incorrect language header",
        "Hebrew lemmas",
        "Hebrew terms prefixed with ל־",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "in vain"
      ],
      "links": [
        [
          "in vain",
          "in vain"
        ]
      ]
    }
  ],
  "word": "לשווא"
}