pepino
noun
pe·pi·no pə-ˈpē-(ˌ)nō 
plural pepinos
: a bushy perennial plant (Solanum muricatum) of the nightshade family that is native to temperate uplands of South America and has an edible usually purple-marked yellow fruit
also : the fruit
Example Sentences
Recent Examples on the Web Try the pico pepino for a spicy mix of tequila and mezcal with cucumber jalapeńo purée. 
Brandon Schultz, Forbes, 27 Sep. 2021
Brandon Schultz, Forbes, 27 Sep. 2021 Word History
Etymology
American Spanish, from Spanish, cucumber, from Old Spanish pepón melon, from Latin pepon-, pepo
First Known Use
1890, in the meaning defined above