[lang syne] adv [ME (Sc), fr. lang long + syne since] (15c) chiefly Scot: at a distant time in the past
[2]lang syne n (1694) chiefly Scot: times past "should auld acquaintance be forgot, and days o' auld lang syne --Robert Burns"
[lang syne] adv [ME (Sc), fr. lang long + syne since] (15c) chiefly Scot: at a distant time in the past
[2]lang syne n (1694) chiefly Scot: times past "should auld acquaintance be forgot, and days o' auld lang syne --Robert Burns"
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012