"fector eigen" meaning in Welsh

{
  "forms": [
    {
      "form": "fectorau eigen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "fectorau eigen"
      },
      "expansion": "fector eigen m (plural fectorau eigen, 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": "Linear algebra",
          "orig": "cy:Linear algebra",
          "parents": [
            "Algebra",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "eigenvector"
      ],
      "id": "en-fector_eigen-cy-noun-wLpIpS6V",
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "eigenvector",
          "eigenvector"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) eigenvector"
      ],
      "tags": [
        "masculine",
        "not-mutable"
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "fector eigen"
}

{
  "forms": [
    {
      "form": "fectorau eigen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "fectorau eigen"
      },
      "expansion": "fector eigen m (plural fectorau eigen, not mutable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh countable nouns",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh masculine nouns",
        "Welsh multiword terms",
        "Welsh non-mutable terms",
        "Welsh nouns",
        "Welsh nouns with red links in their headword lines",
        "cy:Linear algebra"
      ],
      "glosses": [
        "eigenvector"
      ],
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "eigenvector",
          "eigenvector"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) eigenvector"
      ],
      "tags": [
        "masculine",
        "not-mutable"
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "fector eigen"
}