The word "kifer" is often misspelled as "kefir," which is the correct spelling. The pronunciation of the word is /kɪˈfɪər/, with the first syllable being pronounced as "kih" and the second syllable as "feer." Kefir is a fermented dairy drink that originated in the Caucasus region and is known for its probiotic health benefits. It is made by adding kefir grains (a mixture of bacteria and yeast) to milk or water, which then ferments and becomes a tangy, effervescent drink.