English coffee follows Dutch koffie, Ottoman Turkish kahve, and Arabic qahwah. A second route through Italian caffè and French café gave English café. English caffeine comes through French caféine or German Kaffein. The deeper origin of the Arabic word remains disputed.

Sources: Merriam-Webster, coffee, café, and caffeine; American Heritage, caffeine; Etymonline, coffee; Van der Sijs, citing WNT; Encyclopaedia Iranica, coffee.

Compare: avocado · guacamole · mouse · muscle · mussel · window · tea · chai · tomato · potato · disaster

Dates follow the earliest cited evidence for the form and sense shown. Notes name the sources. Timeline spacing is compressed; undated stages are placed in sequence.