"天性" meaning in 漢語

{
  "lang": "漢語",
  "lang_code": "zh",
  "pos": "unknown",
  "senses": [
    {
      "id": "zh-天性-zh-unknown-47DEQpj8",
      "tags": [
        "no-gloss"
      ]
    }
  ],
  "tags": [
    "error-lua-exec"
  ],
  "word": "天性"
}

{
  "lang": "漢語",
  "lang_code": "zh",
  "pos": "unknown",
  "senses": [
    {
      "tags": [
        "no-gloss"
      ]
    }
  ],
  "tags": [
    "error-lua-exec"
  ],
  "word": "天性"
}

{
  "called_from": "extractor/zh/page/parse_section/192",
  "msg": "Unhandled subtitle: 寫法",
  "path": [
    "天性"
  ],
  "section": "漢語",
  "subsection": "寫法",
  "title": "天性",
  "trace": ""
}

{
  "called_from": "luaexec/683",
  "msg": "LUA error in #invoke('zh-pron', 'make') parent ('Template:Zh-pron', {'m': 'tiānxìng', 'c': 'tin1 sing3', 'h': 'pfs=thiên-sin', 'mn': 'thian-sèng', 'w': '1thi xin', 'cat': 'n'})",
  "path": [
    "天性",
    "zh-pron",
    "#invoke",
    "#invoke"
  ],
  "section": "漢語",
  "subsection": "讀音",
  "title": "天性",
  "trace": "[string \"Module:wuu-pron\"]:205: Invalid syllable: 1thi xin. Wugniu expected, but another romanisation is supplied."
}