tuó
a sack
Pictograph of a bag with both ends tied. Similar in origin to 東. 石 represents the sound. As a component in other characters, 石 is almost always omitted.
Components
Evolution

Oracle script
(~1250-1000 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
Component uses
Sound component in 1 character (0 verified)
Iconic component in 1 character (1 verified)
Remnant component in 1 character (1 verified)
Sources
季旭昇《說文新證》p.514-515
李学勤《字源》p.557
裘錫圭 "Chinese Writing" p.240
