"ombro-" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grc",
        "3": "ὄμβρος"
      },
      "expansion": "Borrowed from Ancient Greek ὄμβρος (ómbros)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek ὄμβρος (ómbros).",
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "prefix"
      },
      "expansion": "ombro-",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Weather",
          "orig": "fr:Weather",
          "parents": [
            "Atmosphere",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "ombro-"
      ],
      "id": "en-ombro--fr-prefix-PTQJdVaq",
      "links": [
        [
          "ombro-",
          "ombro-#English"
        ]
      ],
      "related": [
        {
          "word": "pluie"
        }
      ],
      "synonyms": [
        {
          "word": "ombrique"
        },
        {
          "word": "pluvial"
        },
        {
          "word": "pluvio-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "ombro-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grc",
        "3": "ὄμβρος"
      },
      "expansion": "Borrowed from Ancient Greek ὄμβρος (ómbros)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek ὄμβρος (ómbros).",
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "prefix"
      },
      "expansion": "ombro-",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "prefix",
  "related": [
    {
      "word": "pluie"
    }
  ],
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French lemmas",
        "French prefixes",
        "French terms borrowed from Ancient Greek",
        "French terms derived from Ancient Greek",
        "fr:Weather"
      ],
      "glosses": [
        "ombro-"
      ],
      "links": [
        [
          "ombro-",
          "ombro-#English"
        ]
      ],
      "synonyms": [
        {
          "word": "ombrique"
        },
        {
          "word": "pluvial"
        },
        {
          "word": "pluvio-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "ombro-"
}