Where does “giấy than” come from?

giấy than (Vietnamese) comes from Vietnamese giấy, from Proto-Vietic k-cajʔ, from Old Chinese 紙.

giấy than (Vietnamese): carbon paper

Definitions

  1. carbon paper

Ancestry of “giấy than”, step by step

giấy than traces back through two separate lines of ancestry.

via Vietnamese giấy

StepLanguageWordMeaning
1Vietnamesegiấypaper
2Proto-Vietick-cajʔpaper
3Old Chinese紙—

via Vietnamese thân

StepLanguageWordMeaning
1Vietnamesethânclose or even best; relative; pro-
2Chinese炭coal
3Proto-Sino-Tibetantalcharcoal; dust; ashes
Every word from Old Chinese 紙 →Every word from Proto-Vietic k-cajʔ →Every word from Vietnamese giấy →