"ferro-" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": ":lbor",
        "3": "la:ferrum<t:iron>",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nsubstratebor.\nOld Latin *fersom\nLatin ferrumlbor.\nSpanish ferro-\n[Appendix:Glossary#learned_borrowing|Learned borrowing]] from\", \"terms\" : [ { \"gloss\" : \"iron\", \"children\" : [ { \"terms\" : [ { \"alt\" : \"*fersom\", \"lang_name\" : \"Old Latin\", \"status\" : \"inline\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"lang_name\" : \"substrate\", \"status\" : \"ok\", \"children\" : [ ], \"lang\" : \"qfa-sub\" } ], \"keyword\" : \"bor\" } ], \"lang\" : \"itc-ola\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Latin\", \"term\" : \"ferrum\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"keyword\" : \"lbor\" } ], \"lang_name\" : \"Spanish\", \"term\" : \"ferro-\", \"status\" : \"ok\", \"lang\" : \"es\" }\" data-lang=\"es\" data-title=\"ferro-\">\nLearned borrowing from Latin ferrum (“iron”).",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nsubstratebor.\nOld Latin *fersom\nLatin ferrumlbor.\nSpanish ferro-\nLearned borrowing from Latin ferrum (“iron”).",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "prefix"
      },
      "expansion": "ferro-",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 6 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymon",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with etymology texts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with etymon",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "iron",
          "word": "hierro"
        }
      ],
      "glosses": [
        "combining form of hierro (“iron”)"
      ],
      "id": "en-ferro--es-prefix-DEC~~E0P",
      "links": [
        [
          "hierro",
          "hierro#Spanish"
        ]
      ],
      "tags": [
        "form-of",
        "in-compounds",
        "morpheme"
      ]
    }
  ],
  "word": "ferro-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": ":lbor",
        "3": "la:ferrum<t:iron>",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nsubstratebor.\nOld Latin *fersom\nLatin ferrumlbor.\nSpanish ferro-\n[Appendix:Glossary#learned_borrowing|Learned borrowing]] from\", \"terms\" : [ { \"gloss\" : \"iron\", \"children\" : [ { \"terms\" : [ { \"alt\" : \"*fersom\", \"lang_name\" : \"Old Latin\", \"status\" : \"inline\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"lang_name\" : \"substrate\", \"status\" : \"ok\", \"children\" : [ ], \"lang\" : \"qfa-sub\" } ], \"keyword\" : \"bor\" } ], \"lang\" : \"itc-ola\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Latin\", \"term\" : \"ferrum\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"keyword\" : \"lbor\" } ], \"lang_name\" : \"Spanish\", \"term\" : \"ferro-\", \"status\" : \"ok\", \"lang\" : \"es\" }\" data-lang=\"es\" data-title=\"ferro-\">\nLearned borrowing from Latin ferrum (“iron”).",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nsubstratebor.\nOld Latin *fersom\nLatin ferrumlbor.\nSpanish ferro-\nLearned borrowing from Latin ferrum (“iron”).",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "prefix"
      },
      "expansion": "ferro-",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Pages using catfix",
        "Pages using etymon with no ID",
        "Pages with 6 entries",
        "Pages with entries",
        "Pages with etymology trees",
        "Pages with etymon",
        "Spanish combining forms",
        "Spanish entries with etymology texts",
        "Spanish entries with etymology trees",
        "Spanish entries with etymon",
        "Spanish entries with incorrect language header",
        "Spanish learned borrowings from Latin",
        "Spanish lemmas",
        "Spanish prefixes",
        "Spanish terms borrowed from Latin",
        "Spanish terms derived from Latin",
        "Spanish terms derived from Old Latin",
        "Spanish terms derived from substrate languages"
      ],
      "form_of": [
        {
          "extra": "iron",
          "word": "hierro"
        }
      ],
      "glosses": [
        "combining form of hierro (“iron”)"
      ],
      "links": [
        [
          "hierro",
          "hierro#Spanish"
        ]
      ],
      "tags": [
        "form-of",
        "in-compounds",
        "morpheme"
      ]
    }
  ],
  "word": "ferro-"
}