"haprif" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "hap",
        "3": "rhif",
        "t1": "chance",
        "t2": "number"
      },
      "expansion": "hap (“chance”) + rhif (“number”)",
      "name": "com"
    }
  ],
  "etymology_text": "hap (“chance”) + rhif (“number”)",
  "forms": [
    {
      "form": "haprifau",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "haprifau"
      },
      "expansion": "haprif m (plural haprifau, not mutable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "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": "topical",
          "langcode": "cy",
          "name": "Mathematics",
          "orig": "cy:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "random number generator",
          "tags": [
            "masculine"
          ],
          "word": "cynhyrchydd haprifau"
        }
      ],
      "glosses": [
        "random number"
      ],
      "id": "en-haprif-cy-noun-SeCa6kS8",
      "links": [
        [
          "random number",
          "random number"
        ]
      ],
      "tags": [
        "masculine",
        "not-mutable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈhaprɪv/"
    }
  ],
  "word": "haprif"
}

{
  "derived": [
    {
      "english": "random number generator",
      "tags": [
        "masculine"
      ],
      "word": "cynhyrchydd haprifau"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "hap",
        "3": "rhif",
        "t1": "chance",
        "t2": "number"
      },
      "expansion": "hap (“chance”) + rhif (“number”)",
      "name": "com"
    }
  ],
  "etymology_text": "hap (“chance”) + rhif (“number”)",
  "forms": [
    {
      "form": "haprifau",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "haprifau"
      },
      "expansion": "haprif m (plural haprifau, not mutable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh compound terms",
        "Welsh countable nouns",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh masculine nouns",
        "Welsh non-mutable terms",
        "Welsh nouns",
        "Welsh nouns with red links in their headword lines",
        "cy:Mathematics"
      ],
      "glosses": [
        "random number"
      ],
      "links": [
        [
          "random number",
          "random number"
        ]
      ],
      "tags": [
        "masculine",
        "not-mutable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈhaprɪv/"
    }
  ],
  "word": "haprif"
}