"-red" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "*Hret-"
      },
      "expansion": "Proto-Indo-European *Hret-",
      "name": "der"
    },
    {
      "args": {
        "1": "sga",
        "2": "-rad"
      },
      "expansion": "Old Irish -rad",
      "name": "cog"
    }
  ],
  "etymology_text": "Ultimately from Proto-Indo-European *Hret-, whence also rhedeg (“to run”). Cognate with Old Irish -rad.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "suffix",
        "g": "f"
      },
      "expansion": "-red f",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 4 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": "gwaith (“work”) + -red → gweithred (“action”)",
          "type": "example"
        },
        {
          "text": "lled (“width”) + -red → lledred (“latitude”)",
          "type": "example"
        },
        {
          "text": "cylch (“circle”) + -red → cylchred (“cycle”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Forms abstract nouns."
      ],
      "id": "en--red-cy-suffix-gUdPJzPa",
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/rɛd/"
    }
  ],
  "word": "-red"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "*Hret-"
      },
      "expansion": "Proto-Indo-European *Hret-",
      "name": "der"
    },
    {
      "args": {
        "1": "sga",
        "2": "-rad"
      },
      "expansion": "Old Irish -rad",
      "name": "cog"
    }
  ],
  "etymology_text": "Ultimately from Proto-Indo-European *Hret-, whence also rhedeg (“to run”). Cognate with Old Irish -rad.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "suffix",
        "g": "f"
      },
      "expansion": "-red f",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Pages with 4 entries",
        "Welsh entries with incorrect language header",
        "Welsh feminine suffixes",
        "Welsh lemmas",
        "Welsh suffixes",
        "Welsh terms derived from Proto-Indo-European"
      ],
      "examples": [
        {
          "text": "gwaith (“work”) + -red → gweithred (“action”)",
          "type": "example"
        },
        {
          "text": "lled (“width”) + -red → lledred (“latitude”)",
          "type": "example"
        },
        {
          "text": "cylch (“circle”) + -red → cylchred (“cycle”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Forms abstract nouns."
      ],
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/rɛd/"
    }
  ],
  "word": "-red"
}