'dzum dang bcas smras pa

alt. 'dzum pa, 'dzums pa, 'dzum pa, 'dzums; alt. ft. of 'dzum pa; 'dzum pa, btsums pa, btsum pa, tshums trans. v.; to close, to shut, to close one's eyes, to shut one's mouth [RY]

smile, close, shut [JV]

[p btsum],, close, shut [mouth, eyes]; 2) smile [& laugh a little] [IW]