"newyddach" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "newydd",
        "3": "ach",
        "id2": "comparative adjective"
      },
      "expansion": "newydd + -ach",
      "name": "suffix"
    }
  ],
  "etymology_text": "From newydd + -ach.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "comparative adjective"
      },
      "expansion": "newyddach",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "adj",
  "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"
        },
        {
          "kind": "other",
          "name": "Welsh terms suffixed with -ach (comparative adjective)",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "new",
          "word": "newydd"
        }
      ],
      "glosses": [
        "comparative degree of newydd (“new”)"
      ],
      "id": "en-newyddach-cy-adj-SFQwBRl8",
      "links": [
        [
          "newydd",
          "newydd#Welsh"
        ],
        [
          "new",
          "new"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "word": "newyddach"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "newydd",
        "3": "ach",
        "id2": "comparative adjective"
      },
      "expansion": "newydd + -ach",
      "name": "suffix"
    }
  ],
  "etymology_text": "From newydd + -ach.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "comparative adjective"
      },
      "expansion": "newyddach",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh comparative adjectives",
        "Welsh entries with incorrect language header",
        "Welsh non-lemma forms",
        "Welsh terms suffixed with -ach (comparative adjective)"
      ],
      "form_of": [
        {
          "extra": "new",
          "word": "newydd"
        }
      ],
      "glosses": [
        "comparative degree of newydd (“new”)"
      ],
      "links": [
        [
          "newydd",
          "newydd#Welsh"
        ],
        [
          "new",
          "new"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "word": "newyddach"
}