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
☆☆ SPREAD; WIDEN THE DISTANCE BETWEEN Verb 伸开，拉开，张开 tách ra, hé mở, mở ra, xòe ra
☆☆ BETWEEN Bound Noun 间间，之间 giữa, khoảng giữa
☆ SPACE BETWEEN LAYERS Noun (层叠物的)里，中间 kẽ giữa, khe giữa
☆ AGE GROUP BETWEEN 30 AND 40; PERSON BELONGING TO THE AGE GROUP OF 30 TO 40 YEARS Noun 壮年壮年，中年 tuổi đẹp nhất đời, người ở tuổi đẹp nhất đời
☆ SENIORITY; HIERARCHICAL ORDER BETWEEN ADULTS AND CHILDREN Noun 长幼有序长幼有序 trưởng ấu hữu tự, thứ tự lớn bé.