Where does “ニャチャン” come from?

ニャチャン (Japanese) comes from English Nha Trang, from Vietnamese Nha Trang, from English White House — The official home and workplace of the President of the United States of America.

Ancestry of “ニャチャン”, step by step

StepLanguageWordMeaning
1EnglishNha Trang—
2VietnameseNha TrangWhite House
3EnglishWhite HouseThe official home and workplace of the President of the United States of America
Every word from English White House →Every word from Vietnamese Nha Trang →Every word from English Nha Trang →