上游

shàngyóu
  1. upper reaches (of a river)
  2. upper level
  3. upper echelon
  4. upstream

CEDICT

Entry Composition

1 上 shàng
  1. (bound form) up; upper; above; previous
  2. first (of multiple parts)
  3. to climb; to get onto; to go up
  4. to attend (class or university)
  5. (directional complement) up
  6. (noun suffix) on; above
=2 游 yóu
  1. to swim
  2. variant of 遊 yóu
=2 游 yóu
  1. to walk
  2. to tour
  3. to roam
  4. to travel