宝库

寶庫
bǎokù
  1. treasure-house
  2. treasury
  3. treasure-trove (often fig., book of treasured wisdom)

CEDICT

Entry Composition

=1 宝 bǎo variant of 宝 bǎo
=1 宝 bǎo
  1. jewel
  2. gem
  3. treasure
  4. precious
2 库 kù
  1. warehouse
  2. storehouse
  3. (file) library