Xu Collection, Middle Volume. Radical: Rain (yǔ). Character: Diao. Kangxi strokes: 14. Page 1373, Entry 23. Collected Lexicon (Zihui): Pronounced zhao. Diao means dark and obscure. Wang Yi, Nine Laments (Jiusi): In the stillness and obscurity, nothing is seen. Also, Supplement to the Collected Lexicon (Zihuibu): Pronounced zhai. The same as the zhai in the Zhai family name. It refers to a tall and steep appearance. Huainanzi, Original Way (Yuandaoxun): Wandering above in the vast and high wilderness. Also, Original Truth (Chuzhenxun): Desolate and vast, nothing can be perceived. Also, extending between heaven and earth, neither blocked nor obstructed. Collected Sea of Characters (Pianhai): Originally written as the character pronounced tiao.