Where does “羅東” come from?

羅東 (Chinese) comes from Kavalan Rutung, from Proto-Austronesian *luCuŋ — Formosan rock monkey (Macaca cyclopis).

Ancestry of “羅東”, step by step

StepLanguageWordMeaning
1KavalanRutungmonkey
2Proto-Austronesian*luCuŋFormosan rock monkey (Macaca cyclopis)
Every word from Proto-Austronesian *luCuŋ →Every word from Kavalan Rutung →