"-us" meaning in Old French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "frm",
            "2": "-eux"
          },
          "expansion": "Middle French: -eux, -eulx\nFrench: -eux, -ueux\n→ Danish: -øs\n→ Dutch: -eus\n→ German: -ös\n→ Norwegian: -øs\n→ Swedish: -ös",
          "name": "desctree"
        }
      ],
      "text": "Middle French: -eux, -eulx\nFrench: -eux, -ueux\n→ Danish: -øs\n→ Dutch: -eus\n→ German: -ös\n→ Norwegian: -øs\n→ Swedish: -ös"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "nrf",
            "2": "-eux"
          },
          "expansion": "Norman: -eux",
          "name": "desc"
        }
      ],
      "text": "Norman: -eux"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "enm",
            "2": "-ous",
            "bor": "1"
          },
          "expansion": "→ Middle English: -ous, -os, -ose, -ouse, -ows, -owse, -us, -ws\nEnglish: -ous",
          "name": "desctree"
        }
      ],
      "text": "→ Middle English: -ous, -os, -ose, -ouse, -ows, -owse, -us, -ws\nEnglish: -ous"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "-ōsus"
      },
      "expansion": "Latin -ōsus",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin -ōsus.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "suffix"
      },
      "expansion": "-us",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 16 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "-ous, used for forming adjectives"
      ],
      "id": "en--us-fro-suffix-PlgBK5u5",
      "links": [
        [
          "-ous",
          "-ous"
        ]
      ],
      "synonyms": [
        {
          "word": "-eus"
        },
        {
          "word": "-eux"
        },
        {
          "word": "-os"
        },
        {
          "word": "-ous"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-us"
}

{
  "categories": [
    "Pages with 16 entries",
    "Pages with entries"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "frm",
            "2": "-eux"
          },
          "expansion": "Middle French: -eux, -eulx\nFrench: -eux, -ueux\n→ Danish: -øs\n→ Dutch: -eus\n→ German: -ös\n→ Norwegian: -øs\n→ Swedish: -ös",
          "name": "desctree"
        }
      ],
      "text": "Middle French: -eux, -eulx\nFrench: -eux, -ueux\n→ Danish: -øs\n→ Dutch: -eus\n→ German: -ös\n→ Norwegian: -øs\n→ Swedish: -ös"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "nrf",
            "2": "-eux"
          },
          "expansion": "Norman: -eux",
          "name": "desc"
        }
      ],
      "text": "Norman: -eux"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "enm",
            "2": "-ous",
            "bor": "1"
          },
          "expansion": "→ Middle English: -ous, -os, -ose, -ouse, -ows, -owse, -us, -ws\nEnglish: -ous",
          "name": "desctree"
        }
      ],
      "text": "→ Middle English: -ous, -os, -ose, -ouse, -ows, -owse, -us, -ws\nEnglish: -ous"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "-ōsus"
      },
      "expansion": "Latin -ōsus",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin -ōsus.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "suffix"
      },
      "expansion": "-us",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Old French entries with incorrect language header",
        "Old French lemmas",
        "Old French suffixes",
        "Old French terms derived from Latin",
        "Old French terms inherited from Latin",
        "Pages with 16 entries",
        "Pages with entries"
      ],
      "glosses": [
        "-ous, used for forming adjectives"
      ],
      "links": [
        [
          "-ous",
          "-ous"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "-eus"
    },
    {
      "word": "-eux"
    },
    {
      "word": "-os"
    },
    {
      "word": "-ous"
    }
  ],
  "word": "-us"
}