Oct 18, 2024 · 洪. flood; big; vast; grand. 天地 玄黄,宇宙 洪荒。 [Literary Chinese, trad. and simp.] From: Zhou Xingsi, Thousand Character Classic, circa 6 th century CE Tiāndì xuánhuáng, yǔzhòu hónghuāng. [Pinyin] The sky was black and earth yellow; space and time vast, limitless. a …