Etymology
Advertisement

dim sum (n.)

"Chinese cuisine prepared as bite-sized portions served in small steamer baskets or on small plates," 1948, from Cantonese tim sam (Chinese dianxin) "appetizer," said to mean literally "touch the heart." Ayto ("Diner's Dictionary") gives the elements as tim "dot" + sam "heart."

Advertisement
Advertisement
Definitions of dim sum

dim sum (n.)
traditional Chinese cuisine; a variety of foods (including several kinds of steamed or fried dumplings) are served successively in small portions;
From wordnet.princeton.edu