Compounds of 未到

• 未到
  (n,adj-no) untrodden
  unexplored
  unprecedented
  heretofore unknown
  new ground
• 人跡未到
  (n,adj-no) unexplored
• 前人未到
  (adj-na,n) untrodden (region, field of study, etc.)
  unprecedented (discovery, achievement, etc.)