"らく" meaning in Japanese

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "る"
      },
      "expansion": "る",
      "name": "lang"
    },
    {
      "args": {
        "1": "連体形",
        "2": "れんたいけい"
      },
      "expansion": "連体形(れんたいけい) (rentaikei)",
      "name": "ja-r"
    },
    {
      "args": {
        "1": "所",
        "2": "あく"
      },
      "expansion": "所(あく) (aku)",
      "name": "ja-r"
    }
  ],
  "etymology_text": "From the contraction of final る (ru) in some 連体形(れんたいけい) (rentaikei) forms with earlier 所(あく) (aku).",
  "forms": [
    {
      "form": "-raku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "suffix"
      },
      "expansion": "らく • (-raku)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Synonym of く (“nominalization suffix”)"
      ],
      "id": "en-らく-ja-suffix-pD0nxuiR",
      "links": [
        [
          "く",
          "く#Japanese"
        ]
      ],
      "synonyms": [
        {
          "extra": "nominalization suffix",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "く"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "らく"
}

{
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "soft-redirect",
  "redirects": [
    "楽",
    "酪"
  ],
  "senses": [
    {
      "id": "en-らく-ja-soft-redirect-47DEQpj8",
      "tags": [
        "no-gloss"
      ]
    }
  ],
  "word": "らく"
}

{
  "categories": [
    "Japanese entries with incorrect language header",
    "Japanese hiragana",
    "Japanese lemmas",
    "Japanese links with redundant alt parameters",
    "Japanese links with redundant wikilinks",
    "Japanese suffixes",
    "Japanese terms with redundant sortkeys",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "る"
      },
      "expansion": "る",
      "name": "lang"
    },
    {
      "args": {
        "1": "連体形",
        "2": "れんたいけい"
      },
      "expansion": "連体形(れんたいけい) (rentaikei)",
      "name": "ja-r"
    },
    {
      "args": {
        "1": "所",
        "2": "あく"
      },
      "expansion": "所(あく) (aku)",
      "name": "ja-r"
    }
  ],
  "etymology_text": "From the contraction of final る (ru) in some 連体形(れんたいけい) (rentaikei) forms with earlier 所(あく) (aku).",
  "forms": [
    {
      "form": "-raku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "suffix"
      },
      "expansion": "らく • (-raku)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "suffix",
  "senses": [
    {
      "glosses": [
        "Synonym of く (“nominalization suffix”)"
      ],
      "links": [
        [
          "く",
          "く#Japanese"
        ]
      ],
      "synonyms": [
        {
          "extra": "nominalization suffix",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "く"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "らく"
}

{
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "soft-redirect",
  "redirects": [
    "楽",
    "酪"
  ],
  "senses": [
    {
      "tags": [
        "no-gloss"
      ]
    }
  ],
  "word": "らく"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "らく"
  ],
  "section": "Japanese",
  "subsection": "suffix",
  "title": "らく",
  "trace": ""
}

{
  "called_from": "luaexec/683",
  "msg": "LUA error in #invoke('form of/templates', 'form_of_t', 'short for', 'cat=short forms', 'withcap=1', 'withdot=1') parent ('Template:short for', {1: 'ja', 2: '楽焼き', 'tr': 'Raku-yaki', 'nodot': '1', 'sort': 'らく'})",
  "path": [
    "らく",
    "Template:ja-see",
    "#invoke",
    "#invoke",
    "Lua:Module:ja-see:show()",
    "frame:preprocess()",
    "Template:short for",
    "Template:no deprecated lang param usage",
    "ARGVAL-1",
    "#invoke",
    "#invoke"
  ],
  "section": "Japanese",
  "subsection": "",
  "title": "らく",
  "trace": "[string \"Module:form of/templates\"]:555: attempt to call upvalue 'get_force_cat' (a nil value)"
}