Ukraine
来自Big Physics
wiktionary
1651 Ukrain, 1671 Ukraine, 1688 Ucrania, Ukrania, 1762 Ocraine. Adaptation of Polish Ukraina, Russian Украи́на(Ukraína), or Ukrainian Украї́на(Ukrajína), from the specific use, originally meaning “borderland”, “marches” or “insideland”. From Old East Slavic украина(ukraina), from у(u, “at”) + краи(krai, “edge”), or край(kraj, “land”). Details in Wikipedia: Name of Ukraine.
etymonline
Ukraine
from Russian or Polish Ukraina, literally "border, frontier," from u- "at" + krai "edge." So called from being regarded as the southern frontier of Poland or Russia. Related: Ukrainian.
