"fiu" meaning in Mandarin

{
  "head_templates": [
    {
      "args": {
        "notr": "1"
      },
      "expansion": "fiu",
      "name": "cmn-pinyin"
    }
  ],
  "lang": "Mandarin",
  "lang_code": "cmn",
  "pos": "romanization",
  "senses": [
    {
      "alt_of": [
        {
          "word": "fiū"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Hanyu Pinyin",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 8 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Nonstandard spelling of fiū."
      ],
      "id": "en-fiu-cmn-romanization-xk1j4zSL",
      "links": [
        [
          "fiū",
          "fiū#Mandarin"
        ]
      ],
      "tags": [
        "alt-of",
        "nonstandard"
      ]
    }
  ],
  "word": "fiu"
}

{
  "categories": [
    "Pages with 8 entries",
    "Pages with entries",
    "ro:Male family members"
  ],
  "head_templates": [
    {
      "args": {
        "notr": "1"
      },
      "expansion": "fiu",
      "name": "cmn-pinyin"
    }
  ],
  "lang": "Mandarin",
  "lang_code": "cmn",
  "pos": "romanization",
  "senses": [
    {
      "alt_of": [
        {
          "word": "fiū"
        }
      ],
      "categories": [
        "Hanyu Pinyin",
        "Mandarin entries with incorrect language header",
        "Mandarin non-lemma forms",
        "Mandarin nonstandard forms",
        "Mandarin terms with redundant script codes",
        "Pages with 8 entries",
        "Pages with entries"
      ],
      "glosses": [
        "Nonstandard spelling of fiū."
      ],
      "links": [
        [
          "fiū",
          "fiū#Mandarin"
        ]
      ],
      "tags": [
        "alt-of",
        "nonstandard"
      ]
    }
  ],
  "word": "fiu"
}