"wêrom" meaning in West Frisian

{
  "etymology_templates": [
    {
      "args": {
        "1": "fy",
        "2": "wêr",
        "3": "om"
      },
      "expansion": "wêr + om",
      "name": "com"
    },
    {
      "args": {
        "1": "nl",
        "2": "waarom"
      },
      "expansion": "Dutch waarom",
      "name": "cog"
    }
  ],
  "etymology_text": "Equivalent to wêr + om. Compare Dutch waarom.",
  "head_templates": [
    {
      "args": {
        "1": "fy",
        "2": "adverb",
        "cat2": "interrogative adverbs"
      },
      "expansion": "wêrom",
      "name": "head"
    }
  ],
  "lang": "West Frisian",
  "lang_code": "fy",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "West Frisian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "wêrom't"
        }
      ],
      "glosses": [
        "why (interrogative)"
      ],
      "id": "en-wêrom-fy-adv-lf16scZm",
      "links": [
        [
          "why",
          "why"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈvɛːrom/"
    }
  ],
  "word": "wêrom"
}

{
  "derived": [
    {
      "word": "wêrom't"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fy",
        "2": "wêr",
        "3": "om"
      },
      "expansion": "wêr + om",
      "name": "com"
    },
    {
      "args": {
        "1": "nl",
        "2": "waarom"
      },
      "expansion": "Dutch waarom",
      "name": "cog"
    }
  ],
  "etymology_text": "Equivalent to wêr + om. Compare Dutch waarom.",
  "head_templates": [
    {
      "args": {
        "1": "fy",
        "2": "adverb",
        "cat2": "interrogative adverbs"
      },
      "expansion": "wêrom",
      "name": "head"
    }
  ],
  "lang": "West Frisian",
  "lang_code": "fy",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "West Frisian adverbs",
        "West Frisian compound terms",
        "West Frisian entries with incorrect language header",
        "West Frisian interrogative adverbs",
        "West Frisian lemmas"
      ],
      "glosses": [
        "why (interrogative)"
      ],
      "links": [
        [
          "why",
          "why"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈvɛːrom/"
    }
  ],
  "word": "wêrom"
}