"hylo" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "hullo"
      },
      "expansion": "English hullo",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from English hullo.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "interjection"
      },
      "expansion": "hylo",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "intj",
  "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 greetings",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "hello (greeting)"
      ],
      "id": "en-hylo-cy-intj-FVX3PdxD",
      "links": [
        [
          "hello",
          "hello"
        ]
      ],
      "synonyms": [
        {
          "word": "helo"
        }
      ]
    }
  ],
  "word": "hylo"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "hullo"
      },
      "expansion": "English hullo",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from English hullo.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "interjection"
      },
      "expansion": "hylo",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh entries with incorrect language header",
        "Welsh greetings",
        "Welsh interjections",
        "Welsh lemmas",
        "Welsh terms borrowed from English",
        "Welsh terms derived from English"
      ],
      "glosses": [
        "hello (greeting)"
      ],
      "links": [
        [
          "hello",
          "hello"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "helo"
    }
  ],
  "word": "hylo"
}