Yam

The Slang Dictionary Etymological Historical and Anecdotal · 1913 · p. 32
to eat. This word is used by the lowest cla all over the world; by the Wapping sailor, West Indian negro, or Chinese coolie. When the fort, called the Dutch Folly, near Canton, was in course of erection by the Holland ers, under the pretence of being intended for an hospital, the Chinese observed a box containing muskets among the alleged hospital stores. “Hy-aw!” exclaimed John Chinaman, “How can sick man YAM gun?” The Dutch were surprised and ma acred the same night.
Readham'da tam maddeyi gor →