"Etheldred" meaning in Vieil anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Prénoms anglo-saxons",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Prénoms masculins anglo-saxons",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Prénoms masculins en vieil anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Prénoms mixtes en vieil anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieil anglais",
      "orig": "vieil anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "De l’anthroponyme anglo-saxon Æthelred qui est composé d’æðel (noble) et rǣd, rēd (conseil, avis, bonheur)."
  ],
  "forms": [
    {
      "form": "Etheldreda",
      "source": "form line template 'équiv-pour'",
      "tags": [
        "feminine"
      ]
    }
  ],
  "lang": "Vieil anglais",
  "lang_code": "ang",
  "pos": "name",
  "pos_title": "Prénom",
  "senses": [
    {
      "glosses": [
        "Prénom masculin."
      ],
      "id": "fr-Etheldred-ang-name-qg7gT5tW"
    }
  ],
  "tags": [
    "first name",
    "masculine"
  ],
  "word": "Etheldred"
}

{
  "categories": [
    "Prénoms anglo-saxons",
    "Prénoms masculins anglo-saxons",
    "Prénoms masculins en vieil anglais",
    "Prénoms mixtes en vieil anglais",
    "vieil anglais"
  ],
  "etymology_texts": [
    "De l’anthroponyme anglo-saxon Æthelred qui est composé d’æðel (noble) et rǣd, rēd (conseil, avis, bonheur)."
  ],
  "forms": [
    {
      "form": "Etheldreda",
      "source": "form line template 'équiv-pour'",
      "tags": [
        "feminine"
      ]
    }
  ],
  "lang": "Vieil anglais",
  "lang_code": "ang",
  "pos": "name",
  "pos_title": "Prénom",
  "senses": [
    {
      "glosses": [
        "Prénom masculin."
      ]
    }
  ],
  "tags": [
    "first name",
    "masculine"
  ],
  "word": "Etheldred"
}