"cœlo-" meaning in English

{
  "etymology_text": "See coelo- § Etymology.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "cœlo-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "cœlo-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "with ligature œ",
          "word": "coelo-"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English links with manual fragments",
          "parents": [
            "Links with manual fragments",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with coelo-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative spelling of coelo- (with ligature œ)"
      ],
      "id": "en-cœlo--en-prefix-BsEm9yKE",
      "links": [
        [
          "coelo-",
          "coelo-#English"
        ],
        [
          "ligature",
          "ligature#Noun"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "other": "/ˈsiːloʊ-/"
    }
  ],
  "word": "cœlo-"
}

{
  "etymology_text": "See coelo- § Etymology.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "cœlo-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "cœlo-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "with ligature œ",
          "word": "coelo-"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English links with manual fragments",
        "English prefixes",
        "English terms prefixed with coelo-",
        "English terms spelled with Œ",
        "English terms with IPA pronunciation"
      ],
      "glosses": [
        "Alternative spelling of coelo- (with ligature œ)"
      ],
      "links": [
        [
          "coelo-",
          "coelo-#English"
        ],
        [
          "ligature",
          "ligature#Noun"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "other": "/ˈsiːloʊ-/"
    }
  ],
  "word": "cœlo-"
}