"myo-" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "μῦς",
        "4": "",
        "5": "mouse; muscle"
      },
      "expansion": "Ancient Greek μῦς (mûs, “mouse; muscle”)",
      "name": "der"
    }
  ],
  "etymology_text": "From combining form of Ancient Greek μῦς (mûs, “mouse; muscle”).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "myo-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "myo-",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biology",
          "orig": "en:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "myomaker"
        },
        {
          "word": "myomerger"
        },
        {
          "word": "myomixer"
        }
      ],
      "glosses": [
        "Muscle."
      ],
      "id": "en-myo--en-prefix-ha~NgO9Z",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "biology",
          "biology"
        ],
        [
          "Muscle",
          "muscle"
        ]
      ],
      "raw_glosses": [
        "(medicine, biology) Muscle."
      ],
      "related": [
        {
          "word": "myelo-"
        }
      ],
      "synonyms": [
        {
          "word": "musculo-"
        }
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "biology",
        "medicine",
        "natural-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "of or relating to muscle",
          "word": "mio-"
        },
        {
          "code": "cs",
          "lang": "Czech",
          "sense": "of or relating to muscle",
          "word": "myo-"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "of or relating to muscle",
          "word": "myo-"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "of or relating to muscle",
          "word": "mio-"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "of or relating to muscle",
          "word": "mio-"
        }
      ]
    }
  ],
  "word": "myo-"
}

{
  "derived": [
    {
      "word": "myomaker"
    },
    {
      "word": "myomerger"
    },
    {
      "word": "myomixer"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "μῦς",
        "4": "",
        "5": "mouse; muscle"
      },
      "expansion": "Ancient Greek μῦς (mûs, “mouse; muscle”)",
      "name": "der"
    }
  ],
  "etymology_text": "From combining form of Ancient Greek μῦς (mûs, “mouse; muscle”).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "myo-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "myo-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "related": [
    {
      "word": "myelo-"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English prefixes",
        "English terms derived from Ancient Greek",
        "en:Biology",
        "en:Medicine"
      ],
      "glosses": [
        "Muscle."
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "biology",
          "biology"
        ],
        [
          "Muscle",
          "muscle"
        ]
      ],
      "raw_glosses": [
        "(medicine, biology) Muscle."
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "biology",
        "medicine",
        "natural-sciences",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "musculo-"
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "of or relating to muscle",
      "word": "mio-"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "of or relating to muscle",
      "word": "myo-"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "of or relating to muscle",
      "word": "myo-"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "of or relating to muscle",
      "word": "mio-"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "of or relating to muscle",
      "word": "mio-"
    }
  ],
  "word": "myo-"
}