Where does “gàn bát sách” come from?

gàn bát sách (Vietnamese) comes from Vietnamese gần, from Proto-Vietic t-kaːn, from Old Chinese 肝.

gàn bát sách (Vietnamese): cray-cray; eccentric; crackpot

Definitions

  1. cray-cray; eccentric; crackpot

Ancestry of “gàn bát sách”, step by step

gàn bát sách traces back through two separate lines of ancestry.

via Vietnamese gần

StepLanguageWordMeaning
1Vietnamesegầnnear; nearby; close; nearly; almost
2Proto-Vietict-kaːn—
3Old Chinese肝—

via Vietnamese bát sách

StepLanguageWordMeaning
1Vietnamesebát sách—
Every word from Old Chinese 肝 →Every word from Proto-Vietic t-kaːn →Every word from Vietnamese gần →