"cromo-" meaning in Portuguese

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "grc",
        "3": "χρῶμα"
      },
      "expansion": "Borrowed from Ancient Greek χρῶμα (khrôma)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek χρῶμα (khrôma).",
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "prefix"
      },
      "expansion": "cromo-",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "chromo- (relating to colour)"
      ],
      "id": "en-cromo--pt-prefix-GAlHfUy0",
      "links": [
        [
          "chromo-",
          "chromo-"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Chemistry",
          "orig": "pt:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "15 85",
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "chromo- (relating to chromium)"
      ],
      "id": "en-cromo--pt-prefix-V-QzzEZw",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "chromo-",
          "chromo-"
        ]
      ],
      "raw_glosses": [
        "(chemistry) chromo- (relating to chromium)"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "cromo-"
}

{
  "categories": [
    "Pages with 2 entries",
    "Pages with entries",
    "Portuguese entries with incorrect language header",
    "Portuguese lemmas",
    "Portuguese prefixes",
    "Portuguese terms borrowed from Ancient Greek",
    "Portuguese terms derived from Ancient Greek"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "grc",
        "3": "χρῶμα"
      },
      "expansion": "Borrowed from Ancient Greek χρῶμα (khrôma)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek χρῶμα (khrôma).",
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "prefix"
      },
      "expansion": "cromo-",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "chromo- (relating to colour)"
      ],
      "links": [
        [
          "chromo-",
          "chromo-"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        "pt:Chemistry"
      ],
      "glosses": [
        "chromo- (relating to chromium)"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "chromo-",
          "chromo-"
        ]
      ],
      "raw_glosses": [
        "(chemistry) chromo- (relating to chromium)"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "cromo-"
}