"submersion" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "summersio",
        "4": "summersiōnem"
      },
      "expansion": "Borrowed from Latin summersiōnem",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Latin summersiōnem.",
  "forms": [
    {
      "form": "submersions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "submersion f (plural submersions)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "submersion"
      ],
      "id": "en-submersion-fr-noun-8qsl5Lf5",
      "links": [
        [
          "submersion",
          "submersion#English"
        ]
      ],
      "related": [
        {
          "word": "submersible"
        },
        {
          "word": "submerger"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "submersion"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "summersio",
        "4": "summersiōnem"
      },
      "expansion": "Borrowed from Latin summersiōnem",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Latin summersiōnem.",
  "forms": [
    {
      "form": "submersions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "submersion f (plural submersions)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "related": [
    {
      "word": "submersible"
    },
    {
      "word": "submerger"
    }
  ],
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French nouns",
        "French terms borrowed from Latin",
        "French terms derived from Latin",
        "Pages with 2 entries"
      ],
      "glosses": [
        "submersion"
      ],
      "links": [
        [
          "submersion",
          "submersion#English"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "submersion"
}