"-ieth" meaning in Cornish

{
  "etymology_templates": [
    {
      "args": {
        "1": "kw",
        "2": "cel-bry-pro",
        "3": "*-aɨθ"
      },
      "expansion": "Proto-Brythonic *-aɨθ",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "cel-pro",
        "3": "*axtā"
      },
      "expansion": "Proto-Celtic *axtā",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "-aeth"
      },
      "expansion": "Welsh -aeth",
      "name": "cog"
    },
    {
      "args": {
        "1": "ga",
        "2": "-acht"
      },
      "expansion": "Irish -acht",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Brythonic *-aɨθ, from Insular Celtic *-axtā, suffixal use of Proto-Celtic *axtā (compare Welsh -aeth and Irish -acht).",
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "suffix",
        "g": "f"
      },
      "expansion": "-ieth f",
      "name": "head"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Cornish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with collapsible category trees for nonexistent categories",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Forms abstract nouns."
      ],
      "id": "en--ieth-kw-suffix-gUdPJzPa",
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[jɛθ]",
      "tags": [
        "Revived-Middle-Cornish"
      ]
    },
    {
      "ipa": "[jəθ]",
      "tags": [
        "Revived-Late-Cornish"
      ]
    }
  ],
  "word": "-ieth"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "kw",
        "2": "cel-bry-pro",
        "3": "*-aɨθ"
      },
      "expansion": "Proto-Brythonic *-aɨθ",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "cel-pro",
        "3": "*axtā"
      },
      "expansion": "Proto-Celtic *axtā",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "-aeth"
      },
      "expansion": "Welsh -aeth",
      "name": "cog"
    },
    {
      "args": {
        "1": "ga",
        "2": "-acht"
      },
      "expansion": "Irish -acht",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Brythonic *-aɨθ, from Insular Celtic *-axtā, suffixal use of Proto-Celtic *axtā (compare Welsh -aeth and Irish -acht).",
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "suffix",
        "g": "f"
      },
      "expansion": "-ieth f",
      "name": "head"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Cornish entries with incorrect language header",
        "Cornish feminine suffixes",
        "Cornish lemmas",
        "Cornish suffixes",
        "Cornish terms derived from Proto-Brythonic",
        "Cornish terms derived from Proto-Celtic",
        "Cornish terms inherited from Proto-Brythonic",
        "Cornish terms inherited from Proto-Celtic",
        "Entries with collapsible category trees for nonexistent categories",
        "Pages using catfix",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Forms abstract nouns."
      ],
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[jɛθ]",
      "tags": [
        "Revived-Middle-Cornish"
      ]
    },
    {
      "ipa": "[jəθ]",
      "tags": [
        "Revived-Late-Cornish"
      ]
    }
  ],
  "word": "-ieth"
}