Kaldi tried the plants himself, and he became very excited, too. other people tried the plants. They decided to boil the plants and then drink the liquid. They too couldn't sleep well at night. This drink became popular and went from Ethiopia to Arabia. By 1200, it was a popular drink in the Arab world. The word coffee comes from the Arab word qahwah. Coffee then traveled from Arabia to Turkey, Europe, and the rest of the world.