coyotillo

noun

coy·​o·​til·​lo ˌkī-ə-ˈti-(ˌ)lō 

ˌkȯi-ə-,

-ˈtē-(ˌ)yō 

: a shrub (Karwinskia humboldtiana) of the buckthorn family of the southwestern U.S. and Mexico having poisonous berries

Word History

Etymology

Mexican Spanish, diminutive of coyote

First Known Use

circa 1892, in the meaning defined above