"mystéthe" meaning in Normand

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en normand issus d’un mot en ancien français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en normand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Normand",
      "orig": "normand",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "De l’ancien français mistere."
  ],
  "lang": "Normand",
  "lang_code": "normand",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en normand",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en normand à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Marchi coumme un Êgyptien sur Société jersiaise",
          "text": "Mais tout chenna sembl'ye coumme lé mystéthe du Sphînx, mié-muchi souos l'sablion."
        }
      ],
      "glosses": [
        "Mystère."
      ],
      "id": "fr-mystéthe-normand-noun-qZ7pj2Ju"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "mystéthe"
}

{
  "categories": [
    "Mots en normand issus d’un mot en ancien français",
    "Noms communs en normand",
    "normand"
  ],
  "etymology_texts": [
    "De l’ancien français mistere."
  ],
  "lang": "Normand",
  "lang_code": "normand",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en normand",
        "Exemples en normand à traduire"
      ],
      "examples": [
        {
          "ref": "Marchi coumme un Êgyptien sur Société jersiaise",
          "text": "Mais tout chenna sembl'ye coumme lé mystéthe du Sphînx, mié-muchi souos l'sablion."
        }
      ],
      "glosses": [
        "Mystère."
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "mystéthe"
}