I heard an English lady say this and was confused as to where exactly the usage comes from. At an American cafe I know they have 'chai tea' on the menu, and in Turkey 'chai' is the word for tea, which I guess is related to 'cha'. What about other languages? The English 'tea' seems to come from China. Which came first though, 'tea' or 'chai'?

[boiling kettle]