"migero" meaning in Old Spanish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "es",
            "2": "mijero"
          },
          "expansion": "Spanish: mijero",
          "name": "desc"
        }
      ],
      "text": "Spanish: mijero"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "osp",
        "2": "la",
        "3": "mīlliārium",
        "4": "",
        "5": "mile, milestone"
      },
      "expansion": "Latin mīlliārium (“mile, milestone”)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin mīlliārium (“mile, milestone”), from mīlle (“one thousand”).",
  "forms": [
    {
      "form": "migeros",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "osp",
        "2": "noun",
        "g": "m",
        "g2": "",
        "head": "",
        "sort": ""
      },
      "expansion": "migero m",
      "name": "head"
    },
    {
      "args": {
        "1": "m"
      },
      "expansion": "migero m (plural migeros)",
      "name": "osp-noun"
    }
  ],
  "lang": "Old Spanish",
  "lang_code": "osp",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "osp",
          "name": "Units of measure",
          "orig": "osp:Units of measure",
          "parents": [
            "Metrology",
            "Quantity",
            "Applied sciences",
            "Mathematics",
            "Sciences",
            "Formal sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "And near the island with that name there is a place where they can go twelve miles on foot by the seashore.",
          "text": "c. 1250: Alfonso X, f. 17v.\nEt çerca daq̃lla yſla que es aſſi llamada ay logar poro pueden yr a pie doze migeros por la oriella dela mar.",
          "type": "quotation"
        },
        {
          "english": "[…] and from where it starts running to where it enters the sea, there are two hundred miles.",
          "text": "Idem, Lapidario, f. 83v.\n[…] ⁊ dond ell comiença a correr faſta do entra en la mar, a dozientos migeros.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Roman mile"
      ],
      "id": "en-migero-osp-noun-BoFVNq5e",
      "links": [
        [
          "Roman mile",
          "Roman mile"
        ]
      ],
      "related": [
        {
          "english": "one thousand",
          "word": "mil"
        },
        {
          "english": "one thousand",
          "word": "mill"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/miˈʒeɾo/"
    }
  ],
  "word": "migero"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "es",
            "2": "mijero"
          },
          "expansion": "Spanish: mijero",
          "name": "desc"
        }
      ],
      "text": "Spanish: mijero"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "osp",
        "2": "la",
        "3": "mīlliārium",
        "4": "",
        "5": "mile, milestone"
      },
      "expansion": "Latin mīlliārium (“mile, milestone”)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin mīlliārium (“mile, milestone”), from mīlle (“one thousand”).",
  "forms": [
    {
      "form": "migeros",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "osp",
        "2": "noun",
        "g": "m",
        "g2": "",
        "head": "",
        "sort": ""
      },
      "expansion": "migero m",
      "name": "head"
    },
    {
      "args": {
        "1": "m"
      },
      "expansion": "migero m (plural migeros)",
      "name": "osp-noun"
    }
  ],
  "lang": "Old Spanish",
  "lang_code": "osp",
  "pos": "noun",
  "related": [
    {
      "english": "one thousand",
      "word": "mil"
    },
    {
      "english": "one thousand",
      "word": "mill"
    }
  ],
  "senses": [
    {
      "categories": [
        "Old Spanish entries with incorrect language header",
        "Old Spanish lemmas",
        "Old Spanish masculine nouns",
        "Old Spanish nouns",
        "Old Spanish terms derived from Latin",
        "Old Spanish terms inherited from Latin",
        "Old Spanish terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "osp-noun needing attention",
        "osp:Units of measure"
      ],
      "examples": [
        {
          "english": "And near the island with that name there is a place where they can go twelve miles on foot by the seashore.",
          "text": "c. 1250: Alfonso X, f. 17v.\nEt çerca daq̃lla yſla que es aſſi llamada ay logar poro pueden yr a pie doze migeros por la oriella dela mar.",
          "type": "quotation"
        },
        {
          "english": "[…] and from where it starts running to where it enters the sea, there are two hundred miles.",
          "text": "Idem, Lapidario, f. 83v.\n[…] ⁊ dond ell comiença a correr faſta do entra en la mar, a dozientos migeros.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Roman mile"
      ],
      "links": [
        [
          "Roman mile",
          "Roman mile"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/miˈʒeɾo/"
    }
  ],
  "word": "migero"
}