私し設せつ

noun, noun or participle which takes 'suru', noun which may take the genitive case particle 'no'

private; privately established

Used for facilities, organizations, or systems set up by private individuals or groups, not by public authorities. Often appears as a prefix in compounds like 私設図書館 (private library) or 私設鉄道 (private railway).

• この公こう園えんには私し設せつの図と書しょ館かんがある。

  There is a private library in this park.

• 彼かれは自じ宅たくに私し設せつの研けん究きゅう室しつを設もうけた。

  He set up a private laboratory at his home.