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
☆☆ OPENING; OPENING TO THE PUBLIC Noun 开放开放，对外开放 sự mở ra
☆ ESTABLISHMENT; OPENING Noun 开设设立，开设 việc mở, việc khai trương, việc thành lập, việc xây dựng
☆ OPENING OF A COURSE; BEGINNING OF A SERIES OF LECTURES Noun 开讲开课，开学 sự khai giảng
☆ UNSEALING; OPENING Noun 开封开封，启封 sự bóc nhãn, sự bóc tem
☆ BEGINNING; START; OPENING Noun 开始开始 sự khai mạc, sự khai trương
☆ OPENING; START; LAUNCH Noun 开业开业，开张 sự khai trương
☆ OPENING; LAUNCH Noun 开馆开馆，建馆，落成 sự khai trương, sự khánh thành
☆ OPENING CEREMONY Noun 开幕式揭幕式，开幕式 lễ khai mạc
☆ OPENING Noun 开场开放，开业 sự mở cửa, sự khai trương
☆ OPENING Noun 开通开通 sự khai thông