"fal" meaning in Old Norse

{
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "verb form"
      },
      "expansion": "fal",
      "name": "head"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Norse entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 18 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "fela"
        }
      ],
      "glosses": [
        "first/third-person singular past active indicative of fela"
      ],
      "id": "en-fal-non-verb-wdLN7dHr",
      "links": [
        [
          "fela",
          "fela#Old_Norse"
        ]
      ],
      "tags": [
        "active",
        "first-person",
        "form-of",
        "indicative",
        "past",
        "singular",
        "third-person"
      ]
    }
  ],
  "word": "fal"
}

{
  "categories": [
    "Pages with 18 entries",
    "Pages with entries",
    "West Frisian common-gender nouns",
    "West Frisian entries with incorrect language header",
    "West Frisian lemmas",
    "West Frisian nouns",
    "West Frisian terms derived from Proto-Germanic",
    "West Frisian terms derived from Proto-West Germanic",
    "West Frisian terms inherited from Proto-Germanic",
    "West Frisian terms inherited from Proto-West Germanic"
  ],
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "verb form"
      },
      "expansion": "fal",
      "name": "head"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Old Norse entries with incorrect language header",
        "Old Norse non-lemma forms",
        "Old Norse verb forms",
        "Pages with 18 entries",
        "Pages with entries"
      ],
      "form_of": [
        {
          "word": "fela"
        }
      ],
      "glosses": [
        "first/third-person singular past active indicative of fela"
      ],
      "links": [
        [
          "fela",
          "fela#Old_Norse"
        ]
      ],
      "tags": [
        "active",
        "first-person",
        "form-of",
        "indicative",
        "past",
        "singular",
        "third-person"
      ]
    }
  ],
  "word": "fal"
}