kefir

ke.fir

n.（名词）
A creamy drink made of fermented cow`s milk.
可佛：一种奶油状饮料，用发酵后的牛奶制成

来源：
Russian
俄语
probably ultimately from Old Turkic kôpür [(milk) froth, foam]
可能最终源自 古突厥语 kôpür [（奶）泡，沫]
from kôpürmôk [to froth, foam]
源自 kôpürmôk [起泡沫]