also: ろっこく · りくこく
noun
the Six Kingdoms (Warring States China)
Historical term referring to the six major states during China's Warring States period: Qi, Chu, Yan, Han, Wei, and Zhao. Often contrasted with Qin.
See also: 戦国時代
秦は六国を滅ぼして中国を統一した。
Qin destroyed the Six Kingdoms and unified China.
From 六 (six) + 国 (countries/kingdoms). The reading りっこく is a regular sound change from りくこく (sokuonbin).