Yerk|ish

Yerk|ish «YUR kihsh», noun.

an artificial language for communicating with chimpanzees, consisting of a number of geometric figures or lexigrams: »

After five months of training Lana has mastered between 35 and 40 of the Yerkish symbols (Science News).

╂[< Yerkes Primate Research Center, Florida + -ish]