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
☆☆☆ HIKE; MOUNTAIN CLIMBING Noun 登山登山 việc leo núi, môn leo núi
☆ MOUNTAIN CLIMBING Noun 登攀攀登 việc leo núi, sự leo núi