"-us" meaning in Cornish

{
  "etymology_templates": [
    {
      "args": {
        "1": "kw",
        "2": "cnx",
        "3": "-us"
      },
      "expansion": "Middle Cornish -us",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "oco",
        "3": "-us"
      },
      "expansion": "Old Cornish -us",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "cel-bry-pro",
        "3": "*-ʉs"
      },
      "expansion": "Proto-Brythonic *-ʉs",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "la",
        "3": "-ōsus"
      },
      "expansion": "Latin -ōsus",
      "name": "der"
    },
    {
      "args": {
        "1": "br,cy",
        "2": "-us"
      },
      "expansion": "Breton and Welsh -us",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Cornish -us, from Old Cornish -us, from Proto-Brythonic *-ʉs, from Latin -ōsus. Cognate with Breton and Welsh -us.",
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "suf"
      },
      "expansion": "-us",
      "name": "head"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Cornish entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 19 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "peryl (“danger”) + -us → peryllus (“dangerous”)",
          "type": "example"
        },
        {
          "text": "liw (“colour”) + -us → liwus (“colourful”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Forms adjectives; -ous, -ful, -y, -ive etc."
      ],
      "id": "en--us-kw-suffix-rlB~dT1c",
      "links": [
        [
          "-ous",
          "-ous#English"
        ],
        [
          "-ful",
          "-ful#English"
        ],
        [
          "-y",
          "-y#English"
        ],
        [
          "-ive",
          "-ive#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-us"
}

{
  "categories": [
    "Pages using catfix",
    "Pages with 19 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "kw",
        "2": "cnx",
        "3": "-us"
      },
      "expansion": "Middle Cornish -us",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "oco",
        "3": "-us"
      },
      "expansion": "Old Cornish -us",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "cel-bry-pro",
        "3": "*-ʉs"
      },
      "expansion": "Proto-Brythonic *-ʉs",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "la",
        "3": "-ōsus"
      },
      "expansion": "Latin -ōsus",
      "name": "der"
    },
    {
      "args": {
        "1": "br,cy",
        "2": "-us"
      },
      "expansion": "Breton and Welsh -us",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Cornish -us, from Old Cornish -us, from Proto-Brythonic *-ʉs, from Latin -ōsus. Cognate with Breton and Welsh -us.",
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "suf"
      },
      "expansion": "-us",
      "name": "head"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Cornish entries with incorrect language header",
        "Cornish lemmas",
        "Cornish suffixes",
        "Cornish terms derived from Latin",
        "Cornish terms derived from Middle Cornish",
        "Cornish terms derived from Old Cornish",
        "Cornish terms derived from Proto-Brythonic",
        "Cornish terms inherited from Middle Cornish",
        "Cornish terms inherited from Old Cornish",
        "Cornish terms inherited from Proto-Brythonic",
        "Pages using catfix",
        "Pages with 19 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "peryl (“danger”) + -us → peryllus (“dangerous”)",
          "type": "example"
        },
        {
          "text": "liw (“colour”) + -us → liwus (“colourful”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Forms adjectives; -ous, -ful, -y, -ive etc."
      ],
      "links": [
        [
          "-ous",
          "-ous#English"
        ],
        [
          "-ful",
          "-ful#English"
        ],
        [
          "-y",
          "-y#English"
        ],
        [
          "-ive",
          "-ive#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-us"
}