底蕴

底蘊
dǐyùn
  1. inside information
  2. concrete details

CEDICT

Entry Composition

1 底 dǐ
  1. bottom; base
  2. background; foundation
  3. copy (of a manuscript or receipt etc) kept as a record
  4. (suffix) end of a year or month
  5. (math.) radix; base (abbr. for 底数 dǐshù)
2 蕴 yùn
  1. to accumulate
  2. to hold in store
  3. to contain
  4. to gather together
  5. to collect
  6. depth
  7. inner strength
  8. profundity