基辅罗斯

jī fǔ luó sī

Kievan Rus', East Slavic state that reached its peak in the early to mid-11th century

基

jī

(bound form) base; foundation

辅

fǔ

to assist

罗

luó

gauze

斯

sī

abbr. for 斯洛伐克[Si1 luo4 fa2 ke4]