"neis" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "*skey-"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "nice"
      },
      "expansion": "English nice",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "enm",
        "3": "nyce",
        "t": "foolish"
      },
      "expansion": "Middle English nyce (“foolish”)",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "fro",
        "3": "nice",
        "t": "simple, foolish, ignorant"
      },
      "expansion": "Old French nice (“simple, foolish, ignorant”)",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "la",
        "3": "nescius",
        "4": "",
        "5": "ignorant, not knowing"
      },
      "expansion": "Latin nescius (“ignorant, not knowing”)",
      "name": "der"
    }
  ],
  "etymology_text": "From English nice, from Middle English nyce (“foolish”), from Old French nice (“simple, foolish, ignorant”), from Latin nescius (“ignorant, not knowing”).",
  "forms": [
    {
      "form": "neis",
      "tags": [
        "feminine",
        "singular"
      ]
    },
    {
      "form": "neis",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "neisied",
      "tags": [
        "equative"
      ]
    },
    {
      "form": "neisiach",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "neisiaf",
      "tags": [
        "superlative"
      ]
    },
    {
      "form": "nais",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ach",
        "stem": "neisi"
      },
      "expansion": "neis (feminine singular neis, plural neis, equative neisied, comparative neisiach, superlative neisiaf, not mutable)",
      "name": "cy-adj"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "nice (pleasant, satisfactory; attractive, friendly)"
      ],
      "id": "en-neis-cy-adj-5HFiSXuA",
      "links": [
        [
          "nice",
          "nice"
        ]
      ],
      "tags": [
        "not-mutable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nei̯s/"
    }
  ],
  "word": "neis"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "*skey-"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "nice"
      },
      "expansion": "English nice",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "enm",
        "3": "nyce",
        "t": "foolish"
      },
      "expansion": "Middle English nyce (“foolish”)",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "fro",
        "3": "nice",
        "t": "simple, foolish, ignorant"
      },
      "expansion": "Old French nice (“simple, foolish, ignorant”)",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "la",
        "3": "nescius",
        "4": "",
        "5": "ignorant, not knowing"
      },
      "expansion": "Latin nescius (“ignorant, not knowing”)",
      "name": "der"
    }
  ],
  "etymology_text": "From English nice, from Middle English nyce (“foolish”), from Old French nice (“simple, foolish, ignorant”), from Latin nescius (“ignorant, not knowing”).",
  "forms": [
    {
      "form": "neis",
      "tags": [
        "feminine",
        "singular"
      ]
    },
    {
      "form": "neis",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "neisied",
      "tags": [
        "equative"
      ]
    },
    {
      "form": "neisiach",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "neisiaf",
      "tags": [
        "superlative"
      ]
    },
    {
      "form": "nais",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ach",
        "stem": "neisi"
      },
      "expansion": "neis (feminine singular neis, plural neis, equative neisied, comparative neisiach, superlative neisiaf, not mutable)",
      "name": "cy-adj"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Pages with 5 entries",
        "Pages with entries",
        "Welsh adjectives",
        "Welsh adjectives with red links in their headword lines",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh non-mutable terms",
        "Welsh terms derived from English",
        "Welsh terms derived from Latin",
        "Welsh terms derived from Middle English",
        "Welsh terms derived from Old French",
        "Welsh terms derived from Proto-Indo-European",
        "Welsh terms derived from the Proto-Indo-European root *skey-"
      ],
      "glosses": [
        "nice (pleasant, satisfactory; attractive, friendly)"
      ],
      "links": [
        [
          "nice",
          "nice"
        ]
      ],
      "tags": [
        "not-mutable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nei̯s/"
    }
  ],
  "word": "neis"
}