"myria-" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grc",
        "3": "μυρίος",
        "4": "",
        "5": "ten thousand"
      },
      "expansion": "Ancient Greek μυρίος (muríos, “ten thousand”)",
      "name": "uder"
    }
  ],
  "etymology_text": "From Ancient Greek μυρίος (muríos, “ten thousand”).",
  "head_templates": [
    {
      "args": {},
      "expansion": "myria-",
      "name": "fr-prefix"
    }
  ],
  "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": "other",
          "name": "French undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "my"
        },
        {
          "word": "my-"
        },
        {
          "word": "myriametre"
        },
        {
          "word": "myriagramme"
        }
      ],
      "glosses": [
        "myria- In the metric systems of units, multiplying the unit to which it is attached by 10,000. Symbol: my"
      ],
      "id": "en-myria--fr-prefix-DvjyGbVj",
      "links": [
        [
          "myria-",
          "myria-#English"
        ],
        [
          "metric",
          "metric"
        ],
        [
          "unit",
          "unit"
        ]
      ],
      "raw_glosses": [
        "(obsolete) myria- In the metric systems of units, multiplying the unit to which it is attached by 10,000. Symbol: my"
      ],
      "synonyms": [
        {
          "word": "myrio-"
        },
        {
          "sense": "metric prefix",
          "word": "my-"
        }
      ],
      "tags": [
        "morpheme",
        "obsolete"
      ]
    }
  ],
  "word": "myria-"
}

{
  "derived": [
    {
      "word": "my"
    },
    {
      "word": "my-"
    },
    {
      "word": "myriametre"
    },
    {
      "word": "myriagramme"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grc",
        "3": "μυρίος",
        "4": "",
        "5": "ten thousand"
      },
      "expansion": "Ancient Greek μυρίος (muríos, “ten thousand”)",
      "name": "uder"
    }
  ],
  "etymology_text": "From Ancient Greek μυρίος (muríos, “ten thousand”).",
  "head_templates": [
    {
      "args": {},
      "expansion": "myria-",
      "name": "fr-prefix"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French lemmas",
        "French prefixes",
        "French terms derived from Ancient Greek",
        "French terms with obsolete senses",
        "French undefined derivations",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "myria- In the metric systems of units, multiplying the unit to which it is attached by 10,000. Symbol: my"
      ],
      "links": [
        [
          "myria-",
          "myria-#English"
        ],
        [
          "metric",
          "metric"
        ],
        [
          "unit",
          "unit"
        ]
      ],
      "raw_glosses": [
        "(obsolete) myria- In the metric systems of units, multiplying the unit to which it is attached by 10,000. Symbol: my"
      ],
      "synonyms": [
        {
          "word": "myrio-"
        }
      ],
      "tags": [
        "morpheme",
        "obsolete"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "metric prefix",
      "word": "my-"
    }
  ],
  "word": "myria-"
}