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
☆☆ ALL DAY LONG Adverb 整天，一整天 suốt ngày, cả ngày
☆☆ ALL DAY; THE WHOLE DAY Adverb 온 终日整天，一整天 suốt ngày, cả ngày