"ffos" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "wlm",
        "3": "ffos"
      },
      "expansion": "Middle Welsh ffos",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "cel-bry-pro",
        "3": "*fos"
      },
      "expansion": "Proto-Brythonic *fos",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "la",
        "3": "fossa"
      },
      "expansion": "Latin fossa",
      "name": "der"
    }
  ],
  "etymology_text": "From Middle Welsh ffos, from Proto-Brythonic *fos, from Latin fossa.",
  "forms": [
    {
      "form": "ffosydd",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "ffosydd"
      },
      "expansion": "ffos f (plural ffosydd, not mutable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "54 46",
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "ditch, trench, fosse"
      ],
      "id": "en-ffos-cy-noun-u73oHoY~",
      "links": [
        [
          "ditch",
          "ditch"
        ],
        [
          "trench",
          "trench"
        ],
        [
          "fosse",
          "fosse"
        ]
      ],
      "tags": [
        "feminine",
        "not-mutable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "54 46",
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "moat"
      ],
      "id": "en-ffos-cy-noun-7fHrkyKZ",
      "links": [
        [
          "moat",
          "moat"
        ]
      ],
      "tags": [
        "feminine",
        "not-mutable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/foːs/"
    },
    {
      "rhymes": "-oːs"
    }
  ],
  "word": "ffos"
}

{
  "categories": [
    "Rhymes:Welsh/oːs",
    "Welsh countable nouns",
    "Welsh entries with incorrect language header",
    "Welsh feminine nouns",
    "Welsh lemmas",
    "Welsh non-mutable terms",
    "Welsh nouns",
    "Welsh nouns with red links in their headword lines",
    "Welsh terms derived from Latin",
    "Welsh terms derived from Middle Welsh",
    "Welsh terms derived from Proto-Brythonic",
    "Welsh terms inherited from Middle Welsh",
    "Welsh terms inherited from Proto-Brythonic",
    "Welsh terms with IPA pronunciation"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "wlm",
        "3": "ffos"
      },
      "expansion": "Middle Welsh ffos",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "cel-bry-pro",
        "3": "*fos"
      },
      "expansion": "Proto-Brythonic *fos",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "la",
        "3": "fossa"
      },
      "expansion": "Latin fossa",
      "name": "der"
    }
  ],
  "etymology_text": "From Middle Welsh ffos, from Proto-Brythonic *fos, from Latin fossa.",
  "forms": [
    {
      "form": "ffosydd",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "ffosydd"
      },
      "expansion": "ffos f (plural ffosydd, not mutable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "ditch, trench, fosse"
      ],
      "links": [
        [
          "ditch",
          "ditch"
        ],
        [
          "trench",
          "trench"
        ],
        [
          "fosse",
          "fosse"
        ]
      ],
      "tags": [
        "feminine",
        "not-mutable"
      ]
    },
    {
      "glosses": [
        "moat"
      ],
      "links": [
        [
          "moat",
          "moat"
        ]
      ],
      "tags": [
        "feminine",
        "not-mutable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/foːs/"
    },
    {
      "rhymes": "-oːs"
    }
  ],
  "word": "ffos"
}