zhèng yì lǐ
Zheng Yili (1906-2002), translator, editor and lexicographer, creator of the Zheng coding
郑
zhèng
abbr. for Zhengzhou 鄭州|郑州[Zheng4 zhou1], the capital of Henan
易
yì
abbr. for 易經|易经[Yi4 jing1], the Book of Changes
里
lǐ
li, ancient measure of length, approx. 500 m