"-iaidd" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "wlm",
        "3": "-eid"
      },
      "expansion": "Middle Welsh -eid",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "cel-pro",
        "3": "*‑adi̯os"
      },
      "expansion": "Proto-Celtic *‑adi̯os",
      "name": "der"
    },
    {
      "args": {
        "1": "sga",
        "2": "-de"
      },
      "expansion": "Old Irish -de",
      "name": "cog"
    },
    {
      "args": {
        "1": "el",
        "2": "-άδα"
      },
      "expansion": "Greek -άδα (-áda)",
      "name": "cog"
    },
    {
      "args": {
        "1": "la",
        "2": "-idus"
      },
      "expansion": "Latin -idus",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Welsh -eid, from Proto-Celtic *‑adi̯os. Cognate with Old Irish -de, Greek -άδα (-áda), Latin -idus.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "suffix"
      },
      "expansion": "-iaidd",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "llun (“shape, form”) + -iaidd → lluniaidd (“shapely, well-formed”)",
          "type": "example"
        },
        {
          "text": "dewin (“wizard”) + -iaidd → dewiniaidd (“divinatory”)",
          "type": "example"
        }
      ],
      "glosses": [
        "adjectival suffix, -like, -y"
      ],
      "id": "en--iaidd-cy-suffix-bTm3vsOc",
      "links": [
        [
          "-like",
          "-like"
        ],
        [
          "-y",
          "-y"
        ]
      ],
      "synonyms": [
        {
          "word": "-aidd"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/jai̯ð/",
      "tags": [
        "North-Wales",
        "colloquial",
        "standard"
      ]
    },
    {
      "ipa": "/jɛð/",
      "tags": [
        "North-Wales",
        "colloquial"
      ]
    },
    {
      "ipa": "/jai̯ð/",
      "tags": [
        "South-Wales",
        "standard"
      ]
    },
    {
      "ipa": "/jɛð/",
      "tags": [
        "South-Wales",
        "colloquial"
      ]
    }
  ],
  "word": "-iaidd"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "wlm",
        "3": "-eid"
      },
      "expansion": "Middle Welsh -eid",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "cel-pro",
        "3": "*‑adi̯os"
      },
      "expansion": "Proto-Celtic *‑adi̯os",
      "name": "der"
    },
    {
      "args": {
        "1": "sga",
        "2": "-de"
      },
      "expansion": "Old Irish -de",
      "name": "cog"
    },
    {
      "args": {
        "1": "el",
        "2": "-άδα"
      },
      "expansion": "Greek -άδα (-áda)",
      "name": "cog"
    },
    {
      "args": {
        "1": "la",
        "2": "-idus"
      },
      "expansion": "Latin -idus",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Welsh -eid, from Proto-Celtic *‑adi̯os. Cognate with Old Irish -de, Greek -άδα (-áda), Latin -idus.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "suffix"
      },
      "expansion": "-iaidd",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh suffixes",
        "Welsh terms derived from Middle Welsh",
        "Welsh terms derived from Proto-Celtic",
        "Welsh terms inherited from Middle Welsh"
      ],
      "examples": [
        {
          "text": "llun (“shape, form”) + -iaidd → lluniaidd (“shapely, well-formed”)",
          "type": "example"
        },
        {
          "text": "dewin (“wizard”) + -iaidd → dewiniaidd (“divinatory”)",
          "type": "example"
        }
      ],
      "glosses": [
        "adjectival suffix, -like, -y"
      ],
      "links": [
        [
          "-like",
          "-like"
        ],
        [
          "-y",
          "-y"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/jai̯ð/",
      "tags": [
        "North-Wales",
        "colloquial",
        "standard"
      ]
    },
    {
      "ipa": "/jɛð/",
      "tags": [
        "North-Wales",
        "colloquial"
      ]
    },
    {
      "ipa": "/jai̯ð/",
      "tags": [
        "South-Wales",
        "standard"
      ]
    },
    {
      "ipa": "/jɛð/",
      "tags": [
        "South-Wales",
        "colloquial"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "-aidd"
    }
  ],
  "word": "-iaidd"
}