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

Core Words Familarize yourself with the 'core words'.
Compounds Expand your vocabulary by studying more complex words built by the 'core words'.
Wordsense Learn about the wordsenses of the english term.

ETYMOLOGY

HAN VIET: bổ dược 补药

KOREAN 3.0	Eng	Wordtype	Etym.	Gb	Vie
☆	INVIGORANT; TONIC	Noun	补药	补药	thuốc bổ