前ぜん人じん未み到とう

noun which may take the genitive case particle 'no', noun

untrodden; unprecedented

Describes a place, field, or achievement that no one has ever reached or accomplished before. Often used in news and formal contexts.

• その探たん検けん家かは前ぜん人じん未み到とうの地ちに足あしを踏ふみ入いれた。

  The explorer set foot in an untrodden land.

• 彼かの女じょは前ぜん人じん未み到とうの記き録ろくを打うち立たてた。

  She set an unprecedented record.