China Naming Network - Auspicious day query - How did the silver word generation of Liu's genealogy get its name later?

How did the silver word generation of Liu's genealogy get its name later?

Liu

Liu Yinzhu

Liu yinjia

Liu

Liu Yinzhi

Liu

Liu yinshuang

Liu

Liu Yinyin

Liu yinshuai

Liu yinzeng

Liu

Liu yinkai

Liu

Liu yinlai

Liu yinding

Liu

Liu yinxing