"-x" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "fro",
        "3": "voyeul",
        "4": "voyeus",
        "t": "vowel"
      },
      "expansion": "Old French voyeus (“vowel”)",
      "name": "inh"
    }
  ],
  "etymology_text": "From a medieval ligature for -us, which looked similar to the letter x and was ultimately treated as identical to it. Thus Old French voyeus (“vowel”) was also spelt voyex, for instance. Later on the u was reinserted before the -x and this latter thus became an alternative spelling of -s in said position.",
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "suffix",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "g": "",
        "g2": "",
        "head": "",
        "sort": ""
      },
      "expansion": "-x",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-x",
      "name": "fr-suffix"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "suffix",
  "related": [
    {
      "_dis1": "0 0",
      "word": "-s"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "4 23 1 13 11 13 28 7",
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "god → gods",
          "text": "dieu → dieux",
          "type": "example"
        },
        {
          "english": "core → cores",
          "text": "noyau → noyaux",
          "type": "example"
        },
        {
          "english": "Hebrew → Hebrews",
          "text": "hébreu → hébreux",
          "type": "example"
        }
      ],
      "glosses": [
        "Used to form the regular plurals of nouns and adjectives in -au and -eu."
      ],
      "id": "en--x-fr-suffix-liuz9AHn",
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
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          "_dis": "4 23 1 13 11 13 28 7",
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        {
          "_dis": "44 56",
          "kind": "other",
          "name": "Entries with collapsible category trees for nonexistent categories",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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        },
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "louse → lice",
          "text": "pou → poux",
          "type": "example"
        }
      ],
      "glosses": [
        "Used to form the irregular plurals of a few nouns in -ou (which regularly add -s)."
      ],
      "id": "en--x-fr-suffix-GK-9afHy",
      "links": [
        [
          "-s",
          "-s#French"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "other": "/z‿/"
    }
  ],
  "word": "-x"
}

{
  "categories": [
    "Entries with collapsible category trees for nonexistent categories",
    "French entries with incorrect language header",
    "French lemmas",
    "French suffixes",
    "French terms derived from Old French",
    "French terms inherited from Old French",
    "Pages using catfix",
    "Pages with 5 entries",
    "Pages with entries"
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  "etymology_templates": [
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      "args": {
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        "2": "fro",
        "3": "voyeul",
        "4": "voyeus",
        "t": "vowel"
      },
      "expansion": "Old French voyeus (“vowel”)",
      "name": "inh"
    }
  ],
  "etymology_text": "From a medieval ligature for -us, which looked similar to the letter x and was ultimately treated as identical to it. Thus Old French voyeus (“vowel”) was also spelt voyex, for instance. Later on the u was reinserted before the -x and this latter thus became an alternative spelling of -s in said position.",
  "head_templates": [
    {
      "args": {
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        "2": "suffix",
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        "head": "",
        "sort": ""
      },
      "expansion": "-x",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-x",
      "name": "fr-suffix"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "suffix",
  "related": [
    {
      "word": "-s"
    }
  ],
  "senses": [
    {
      "categories": [
        "French terms with usage examples"
      ],
      "examples": [
        {
          "english": "god → gods",
          "text": "dieu → dieux",
          "type": "example"
        },
        {
          "english": "core → cores",
          "text": "noyau → noyaux",
          "type": "example"
        },
        {
          "english": "Hebrew → Hebrews",
          "text": "hébreu → hébreux",
          "type": "example"
        }
      ],
      "glosses": [
        "Used to form the regular plurals of nouns and adjectives in -au and -eu."
      ],
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        "morpheme"
      ]
    },
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      "categories": [
        "French terms with usage examples"
      ],
      "examples": [
        {
          "english": "louse → lice",
          "text": "pou → poux",
          "type": "example"
        }
      ],
      "glosses": [
        "Used to form the irregular plurals of a few nouns in -ou (which regularly add -s)."
      ],
      "links": [
        [
          "-s",
          "-s#French"
        ]
      ],
      "tags": [
        "morpheme"
      ]
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  ],
  "sounds": [
    {
      "other": "/z‿/"
    }
  ],
  "word": "-x"
}