亡佚

wángyì
  1. nonextant
  2. lost to the ages

CEDICT

to be lost; to become nonextant (of ancient texts)

Wiktionary

散失，失传。

維基詞典

Entry Composition

=1 亡 wáng
  1. to die
  2. to lose
  3. to be gone
  4. to flee
  5. deceased
=1 亡 wáng old variant of 亡 wáng
2 佚 yì
  1. lost
  2. missing
  3. forsaken
  4. dissolute
  5. (of a woman) beautiful
  6. fault
  7. offense
  8. hermit
  9. variant of 逸 yì