"pluñv" meaning in Breton

{
  "etymology_templates": [
    {
      "args": {
        "1": "br",
        "2": "xbm",
        "3": "pluff"
      },
      "expansion": "Middle Breton pluff",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "cel-bry-pro",
        "3": "*plʉβ̃"
      },
      "expansion": "Proto-Brythonic *plʉβ̃",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "la",
        "3": "plūma"
      },
      "expansion": "Latin plūma",
      "name": "der"
    },
    {
      "args": {
        "1": "kw",
        "2": "pluv"
      },
      "expansion": "Cornish pluv",
      "name": "cog"
    },
    {
      "args": {
        "1": "cy",
        "2": "plu, pluf"
      },
      "expansion": "Welsh plu, pluf",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Breton pluff, from Proto-Brythonic *plʉβ̃, a borrowing from Latin plūma. Cognate with Cornish pluv, Welsh plu, pluf.",
  "forms": [
    {
      "form": "pluñvenn",
      "tags": [
        "singulative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "br",
        "2": "noun",
        "3": "singulative",
        "4": "pluñvenn",
        "g": "f"
      },
      "expansion": "pluñv f (singulative pluñvenn)",
      "name": "head"
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Breton entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "dibluñv"
        },
        {
          "word": "marbluñv"
        },
        {
          "word": "pluñvaj"
        },
        {
          "word": "pluñvañ"
        },
        {
          "word": "pluñveg"
        },
        {
          "word": "pluñvek"
        },
        {
          "word": "pluñvet"
        },
        {
          "word": "pluñviañ"
        }
      ],
      "glosses": [
        "feathers"
      ],
      "id": "en-pluñv-br-noun-6dnQ9hjg",
      "links": [
        [
          "feather",
          "feather"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈplỹː/"
    }
  ],
  "word": "pluñv"
}

{
  "derived": [
    {
      "word": "dibluñv"
    },
    {
      "word": "marbluñv"
    },
    {
      "word": "pluñvaj"
    },
    {
      "word": "pluñvañ"
    },
    {
      "word": "pluñveg"
    },
    {
      "word": "pluñvek"
    },
    {
      "word": "pluñvet"
    },
    {
      "word": "pluñviañ"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "br",
        "2": "xbm",
        "3": "pluff"
      },
      "expansion": "Middle Breton pluff",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "cel-bry-pro",
        "3": "*plʉβ̃"
      },
      "expansion": "Proto-Brythonic *plʉβ̃",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "la",
        "3": "plūma"
      },
      "expansion": "Latin plūma",
      "name": "der"
    },
    {
      "args": {
        "1": "kw",
        "2": "pluv"
      },
      "expansion": "Cornish pluv",
      "name": "cog"
    },
    {
      "args": {
        "1": "cy",
        "2": "plu, pluf"
      },
      "expansion": "Welsh plu, pluf",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Breton pluff, from Proto-Brythonic *plʉβ̃, a borrowing from Latin plūma. Cognate with Cornish pluv, Welsh plu, pluf.",
  "forms": [
    {
      "form": "pluñvenn",
      "tags": [
        "singulative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "br",
        "2": "noun",
        "3": "singulative",
        "4": "pluñvenn",
        "g": "f"
      },
      "expansion": "pluñv f (singulative pluñvenn)",
      "name": "head"
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Breton entries with incorrect language header",
        "Breton feminine nouns",
        "Breton lemmas",
        "Breton nouns",
        "Breton terms derived from Latin",
        "Breton terms derived from Middle Breton",
        "Breton terms derived from Proto-Brythonic",
        "Breton terms inherited from Middle Breton",
        "Breton terms inherited from Proto-Brythonic",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "feathers"
      ],
      "links": [
        [
          "feather",
          "feather"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈplỹː/"
    }
  ],
  "word": "pluñv"
}