1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Core Words Familarize yourself with the 'core words'.
Etymology Explore the origin of the 'core words'.
Wordsense Learn about the wordsenses of the english term.

COMPOUNDS

linh đan elixir of life, cure-all, panacea
tiên dược magical potion, miraculous drug, elixir of life
tiên đơn elixir of life