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

KOREAN 3.0 Eng Wordtype Etym. Gb Vie
☆☆ BEING IN HISTORY Noun 史上史上，历史上 theo sử ghi, theo lịch sử
☆☆ BEING IN HISTORY; EXISTING HISTORICALLY Noun 历史上历史上 trong lịch sử