"erythro-" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*h₁rewdʰ-"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ἐρυθρός",
        "t": "red"
      },
      "expansion": "Ancient Greek ἐρυθρός (eruthrós, “red”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ἐρυθρός (eruthrós, “red”).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "erythro-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "erythro-",
      "name": "en-prefix"
    }
  ],
  "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"
        },
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          "kind": "other",
          "name": "Entries with translation boxes",
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          "source": "w"
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        {
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        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
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        },
        {
          "kind": "other",
          "name": "Terms with Czech translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Italian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Used to form scientific terms meaning red, or showing a relationship to red blood cells."
      ],
      "id": "en-erythro--en-prefix-kU2NBgbH",
      "links": [
        [
          "red",
          "red#English"
        ],
        [
          "red blood cells",
          "red blood cells#English"
        ]
      ],
      "related": [
        {
          "word": "erythemato-"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "before-vowel"
          ],
          "word": "erythr-"
        }
      ],
      "tags": [
        "morpheme"
      ],
      "translations": [
        {
          "code": "cs",
          "lang": "Czech",
          "sense": "red",
          "word": "erytro-"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "red",
          "word": "eritro-"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "red",
          "word": "erytro-"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "red",
          "word": "eritro-"
        }
      ]
    }
  ],
  "word": "erythro-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*h₁rewdʰ-"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ἐρυθρός",
        "t": "red"
      },
      "expansion": "Ancient Greek ἐρυθρός (eruthrós, “red”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ἐρυθρός (eruthrós, “red”).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
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      },
      "expansion": "erythro-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "erythro-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "related": [
    {
      "word": "erythemato-"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English prefixes",
        "English terms derived from Ancient Greek",
        "English terms derived from Proto-Indo-European",
        "English terms derived from the Proto-Indo-European root *h₁rewdʰ-",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Czech translations",
        "Terms with Italian translations",
        "Terms with Polish translations",
        "Terms with Spanish translations"
      ],
      "glosses": [
        "Used to form scientific terms meaning red, or showing a relationship to red blood cells."
      ],
      "links": [
        [
          "red",
          "red#English"
        ],
        [
          "red blood cells",
          "red blood cells#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "before-vowel"
      ],
      "word": "erythr-"
    }
  ],
  "translations": [
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "red",
      "word": "erytro-"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "red",
      "word": "eritro-"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "red",
      "word": "erytro-"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "red",
      "word": "eritro-"
    }
  ],
  "word": "erythro-"
}