"-illiard" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "milliard"
      },
      "expansion": "Back-formation from milliard",
      "name": "back-form"
    }
  ],
  "etymology_text": "Back-formation from milliard.",
  "forms": [
    {
      "form": "-illiards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "-illiard m (plural -illiards)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French back-formations",
          "parents": [],
          "source": "w"
        },
        {
          "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"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "-illiard"
      ],
      "id": "en--illiard-fr-suffix-88pRqpcx",
      "links": [
        [
          "-illiard",
          "-illiard#English"
        ]
      ],
      "related": [
        {
          "word": "-illion"
        }
      ],
      "tags": [
        "masculine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/i.ljaʁ/"
    }
  ],
  "word": "-illiard"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "milliard"
      },
      "expansion": "Back-formation from milliard",
      "name": "back-form"
    }
  ],
  "etymology_text": "Back-formation from milliard.",
  "forms": [
    {
      "form": "-illiards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "-illiard m (plural -illiards)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "suffix",
  "related": [
    {
      "word": "-illion"
    }
  ],
  "senses": [
    {
      "categories": [
        "French 2-syllable words",
        "French back-formations",
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine suffixes",
        "French noun-forming suffixes",
        "French nouns with red links in their headword lines",
        "French suffixes",
        "French terms with IPA pronunciation",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "-illiard"
      ],
      "links": [
        [
          "-illiard",
          "-illiard#English"
        ]
      ],
      "tags": [
        "masculine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/i.ljaʁ/"
    }
  ],
  "word": "-illiard"
}