kefir
UK[ˈkɛfɪə]US[kəˈfɪr]
n
a sour, slightly alcoholic fermented milk drink made using a culture of yeasts and bacteria.
Etymology
the word 'kefir' entered english in the late 19th century from russian 'kefír'. the russian term was itself borrowed from a caucasian language, likely from ossetian 'kæpý' or karachay-balkar 'gıpı'. these terms ultimately trace back to a turkic root, with cognates in turkish meaning 'to foam' or 'ferment', which is semantically linked to the drink's effervescent, fermented nature. the journey of the word reflects the spread of the product from the caucasus mountains into russian and then global cuisine. its status as a cultural loanword means its form is treated as an unanalyzable whole in english.
Analysis
this word is a simplex loanword. it does not contain separable morphemes within modern english spelling.
Examples
she prefers the tangy taste of kefir over regular yogurt.
kefir grains are used to ferment milk and create the probiotic beverage.
many health enthusiasts incorporate kefir into their daily smoothies.