先验

先驗
xiānyàn
(philosophy) a priori

CEDICT

Entry Composition

1 先 xiān
  1. beforehand; first; earlier
  2. at first; originally
  3. for the time being; for now
  4. (prefix) my late (in referring to deceased relatives older than oneself)
=2 验 yàn variant of 验 yàn
=2 验 yàn
  1. to examine
  2. to test
  3. to check