"eo-" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ἠώς",
        "4": "",
        "5": "dawn"
      },
      "expansion": "Ancient Greek ἠώς (ēṓs, “dawn”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ἠώς (ēṓs, “dawn”).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix"
      },
      "expansion": "eo-",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "earliest"
      ],
      "id": "en-eo--en-prefix-blVlKyKp",
      "links": [
        [
          "earliest",
          "earliest"
        ]
      ],
      "synonyms": [
        {
          "sense": "earliest",
          "word": "protero-"
        }
      ],
      "tags": [
        "morpheme"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "word": "éo-"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "word": "eo-"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/iːəʊ/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/iːoʊ/",
      "tags": [
        "General-American"
      ]
    }
  ],
  "word": "eo-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ἠώς",
        "4": "",
        "5": "dawn"
      },
      "expansion": "Ancient Greek ἠώς (ēṓs, “dawn”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ἠώς (ēṓs, “dawn”).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix"
      },
      "expansion": "eo-",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English prefixes",
        "English terms derived from Ancient Greek",
        "Entries with translation boxes",
        "Pages with 3 entries",
        "Pages with entries",
        "Terms with French translations",
        "Terms with Polish translations",
        "Translation table header lacks gloss"
      ],
      "glosses": [
        "earliest"
      ],
      "links": [
        [
          "earliest",
          "earliest"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/iːəʊ/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/iːoʊ/",
      "tags": [
        "General-American"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "earliest",
      "word": "protero-"
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "word": "éo-"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "word": "eo-"
    }
  ],
  "word": "eo-"
}