"fiero" meaning in Old Spanish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "es",
            "2": "fiero",
            "3": "fiera"
          },
          "expansion": "Spanish: fiero, fiera",
          "name": "desc"
        }
      ],
      "text": "Spanish: fiero, fiera"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "osp",
        "2": "itc-pro",
        "3": "ine-pro",
        "inh": "1"
      },
      "expansion": "",
      "name": "dercat"
    },
    {
      "args": {
        "1": "osp",
        "2": "la",
        "3": "ferus"
      },
      "expansion": "Latin ferus",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin ferus",
  "forms": [
    {
      "form": "fiera",
      "tags": [
        "feminine",
        "singular"
      ]
    },
    {
      "form": "fieros",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "fieras",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "osp",
        "2": "adjective",
        "3": "feminine singular",
        "4": "fiera",
        "5": "masculine plural",
        "6": "fieros",
        "7": "feminine plural",
        "8": "fieras"
      },
      "expansion": "fiero (feminine singular fiera, masculine plural fieros, feminine plural fieras)",
      "name": "head"
    }
  ],
  "lang": "Old Spanish",
  "lang_code": "osp",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Our Lord said unto Moses, “Rise early in the morning and say unto Pharaoh that I order he let my people go, and that should he not let them go, I will unleash upon him and his servants savage beasts, and they will fill every house and all the earth, and on that day they will be awed. […]”",
          "ref": "c. 1200, Almerich, Fazienda de Ultramar, f. 14r",
          "text": "Dẏxo nr̃o ſẽnor amoẏſen. maduRga ala mannana ⁊ di a pharaon. Q ẏol digo q̃ dexe mio pueblo. E ſi nõblo dexare echare en el ẏenſos vaſſallos beſtias fieras. ⁊ emplir ſe an todas las caſas ⁊ todala tr̃a. E marauillar ſe an en es dẏa.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "savage, wild"
      ],
      "id": "en-fiero-osp-adj-w18fLh~G",
      "links": [
        [
          "savage",
          "savage"
        ],
        [
          "wild",
          "wild"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈfjeɾo/"
    }
  ],
  "word": "fiero"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "es",
            "2": "fiero",
            "3": "fiera"
          },
          "expansion": "Spanish: fiero, fiera",
          "name": "desc"
        }
      ],
      "text": "Spanish: fiero, fiera"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "osp",
        "2": "itc-pro",
        "3": "ine-pro",
        "inh": "1"
      },
      "expansion": "",
      "name": "dercat"
    },
    {
      "args": {
        "1": "osp",
        "2": "la",
        "3": "ferus"
      },
      "expansion": "Latin ferus",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin ferus",
  "forms": [
    {
      "form": "fiera",
      "tags": [
        "feminine",
        "singular"
      ]
    },
    {
      "form": "fieros",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "fieras",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "osp",
        "2": "adjective",
        "3": "feminine singular",
        "4": "fiera",
        "5": "masculine plural",
        "6": "fieros",
        "7": "feminine plural",
        "8": "fieras"
      },
      "expansion": "fiero (feminine singular fiera, masculine plural fieros, feminine plural fieras)",
      "name": "head"
    }
  ],
  "lang": "Old Spanish",
  "lang_code": "osp",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Old Spanish adjectives",
        "Old Spanish entries with incorrect language header",
        "Old Spanish lemmas",
        "Old Spanish terms derived from Latin",
        "Old Spanish terms derived from Proto-Indo-European",
        "Old Spanish terms derived from Proto-Italic",
        "Old Spanish terms inherited from Latin",
        "Old Spanish terms inherited from Proto-Italic",
        "Old Spanish terms with IPA pronunciation",
        "Old Spanish terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "english": "Our Lord said unto Moses, “Rise early in the morning and say unto Pharaoh that I order he let my people go, and that should he not let them go, I will unleash upon him and his servants savage beasts, and they will fill every house and all the earth, and on that day they will be awed. […]”",
          "ref": "c. 1200, Almerich, Fazienda de Ultramar, f. 14r",
          "text": "Dẏxo nr̃o ſẽnor amoẏſen. maduRga ala mannana ⁊ di a pharaon. Q ẏol digo q̃ dexe mio pueblo. E ſi nõblo dexare echare en el ẏenſos vaſſallos beſtias fieras. ⁊ emplir ſe an todas las caſas ⁊ todala tr̃a. E marauillar ſe an en es dẏa.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "savage, wild"
      ],
      "links": [
        [
          "savage",
          "savage"
        ],
        [
          "wild",
          "wild"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈfjeɾo/"
    }
  ],
  "word": "fiero"
}