English word barista comes from Italian bar (Bar (place serving drinks). Café.), Italian -ista (-ist.)

Detailed word origin of barista

Dictionary entry	Language	Definition
bar	Italian (ita)	Bar (place serving drinks). Café.
-ista	Italian (ita)	-ist.
barista	Italian (ita)	Barman (male), barmaid (female), bartender (North American), barista.
barista	English (eng)	A person who prepares coffee in a coffee shop for customers.