阿山

Etymology 1
Shortened from.

Proper noun

 * 1)   Ashan, Xinjiang, China (now, Xinjiang, China)

Etymology 2
From + short form of.

Noun

 * 1)  mainlander

Usage notes
This term was primarily used to refer to the Nationalist Mainland Chinese — whether Hoklo, Hakka, or (as in most cases) neither — who arrived in Taiwan from 1945 through the early years of the Cold War. This term later came to be replaced by.