"termo-" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "ine-pro",
        "3": "*gʷʰer-"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "θερμός",
        "4": "",
        "5": "warm, hot"
      },
      "expansion": "Ancient Greek θερμός (thermós, “warm, hot”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek θερμός (thermós, “warm, hot”).",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "prefix"
      },
      "expansion": "termo-",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 9 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "thermo- (relating to heat)"
      ],
      "id": "en-termo--es-prefix-95c4iOnJ",
      "links": [
        [
          "thermo-",
          "thermo-"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "termo-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "ine-pro",
        "3": "*gʷʰer-"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "θερμός",
        "4": "",
        "5": "warm, hot"
      },
      "expansion": "Ancient Greek θερμός (thermós, “warm, hot”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek θερμός (thermós, “warm, hot”).",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "prefix"
      },
      "expansion": "termo-",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Pages with 9 entries",
        "Pages with entries",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish prefixes",
        "Spanish terms derived from Ancient Greek",
        "Spanish terms derived from Proto-Indo-European",
        "Spanish terms derived from the Proto-Indo-European root *gʷʰer-"
      ],
      "glosses": [
        "thermo- (relating to heat)"
      ],
      "links": [
        [
          "thermo-",
          "thermo-"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "termo-"
}