"iersa" meaning in Old English

{
  "head_templates": [
    {
      "args": {
        "1": "ang",
        "2": "verb form"
      },
      "expansion": "iersa",
      "name": "head"
    }
  ],
  "lang": "Old English",
  "lang_code": "ang",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "iersian"
        }
      ],
      "glosses": [
        "singular imperative of iersian"
      ],
      "id": "en-iersa-ang-verb-ylIv6V3t",
      "links": [
        [
          "iersian",
          "iersian#Old_English"
        ]
      ],
      "tags": [
        "form-of",
        "imperative",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈi͜yr.sɑ/"
    },
    {
      "ipa": "[ˈi͜yrˠ.zɑ]"
    }
  ],
  "word": "iersa"
}

{
  "head_templates": [
    {
      "args": {
        "1": "ang",
        "2": "verb form"
      },
      "expansion": "iersa",
      "name": "head"
    }
  ],
  "lang": "Old English",
  "lang_code": "ang",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Old English entries with incorrect language header",
        "Old English non-lemma forms",
        "Old English terms with IPA pronunciation",
        "Old English verb forms",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "form_of": [
        {
          "word": "iersian"
        }
      ],
      "glosses": [
        "singular imperative of iersian"
      ],
      "links": [
        [
          "iersian",
          "iersian#Old_English"
        ]
      ],
      "tags": [
        "form-of",
        "imperative",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈi͜yr.sɑ/"
    },
    {
      "ipa": "[ˈi͜yrˠ.zɑ]"
    }
  ],
  "word": "iersa"
}