"ymbsittendra" meaning in Vieil anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de verbes en vieil anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieil anglais",
      "orig": "vieil anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Vieil anglais",
  "lang_code": "ang",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en vieil anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en vieil anglais à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Chronique anglo-saxonne : Beowulf, entre la première moitié du viiᵉ siècle et la fin du iᵉʳ millénaire",
          "text": "hē þæs frōfre gebād, wēox under wolcnum weorðmyndum þāh, oð þæt him ǣghwylc ymbsittendra ofer hronrāde hȳran scolde, gomban gyldan;"
        }
      ],
      "form_of": [
        {
          "word": "ymbsittan"
        }
      ],
      "glosses": [
        "Participe présent de ymbsittan."
      ],
      "id": "fr-ymbsittendra-ang-verb-bH7ma1is"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "ymbsittendra"
}

{
  "categories": [
    "Formes de verbes en vieil anglais",
    "vieil anglais"
  ],
  "lang": "Vieil anglais",
  "lang_code": "ang",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "senses": [
    {
      "categories": [
        "Exemples en vieil anglais",
        "Exemples en vieil anglais à traduire"
      ],
      "examples": [
        {
          "ref": "Chronique anglo-saxonne : Beowulf, entre la première moitié du viiᵉ siècle et la fin du iᵉʳ millénaire",
          "text": "hē þæs frōfre gebād, wēox under wolcnum weorðmyndum þāh, oð þæt him ǣghwylc ymbsittendra ofer hronrāde hȳran scolde, gomban gyldan;"
        }
      ],
      "form_of": [
        {
          "word": "ymbsittan"
        }
      ],
      "glosses": [
        "Participe présent de ymbsittan."
      ]
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "ymbsittendra"
}