"ewyn" meaning in Cornish

{
  "etymology_text": "From Proto-Brittonic *owin (compare Welsh ewyn, Middle Breton eon and Modern Breton ewon. The e-vocalism in Brittonic is the result of Umlaut) from Proto-Celtic *fowino- (or possibly *fowsino- < from PIE *pew(H)- ) (compare Old Irish auen, uan, 'foam' and Modern Irish uan (variants obhan, odhan and othan which all reflect the early Old Irish pronunciation of auen as a disyllabic word before loss of hiatus original caused by loss of *w.)",
  "forms": [
    {
      "form": "ewynen",
      "tags": [
        "singulative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "noun",
        "3": "singulative",
        "4": "ewynen",
        "g": "f"
      },
      "expansion": "ewyn f (singulative ewynen)",
      "name": "head"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Cornish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "foam"
      ],
      "id": "en-ewyn-kw-noun-jMLNeXhb",
      "links": [
        [
          "foam",
          "foam"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "ewyn"
}

{
  "etymology_text": "From Proto-Brittonic *owin (compare Welsh ewyn, Middle Breton eon and Modern Breton ewon. The e-vocalism in Brittonic is the result of Umlaut) from Proto-Celtic *fowino- (or possibly *fowsino- < from PIE *pew(H)- ) (compare Old Irish auen, uan, 'foam' and Modern Irish uan (variants obhan, odhan and othan which all reflect the early Old Irish pronunciation of auen as a disyllabic word before loss of hiatus original caused by loss of *w.)",
  "forms": [
    {
      "form": "ewynen",
      "tags": [
        "singulative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "noun",
        "3": "singulative",
        "4": "ewynen",
        "g": "f"
      },
      "expansion": "ewyn f (singulative ewynen)",
      "name": "head"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Cornish entries with incorrect language header",
        "Cornish feminine nouns",
        "Cornish lemmas",
        "Cornish nouns"
      ],
      "glosses": [
        "foam"
      ],
      "links": [
        [
          "foam",
          "foam"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "ewyn"
}