Where does “dự giờ” come from?

dự giờ (Vietnamese) comes from Vietnamese giờ, from Middle Chinese 時.

dự giờ (Vietnamese): to attend a teacher's class, not as a student, either to pick up their teaching methods, or to evaluate them

Definitions

  1. to attend a teacher's class, not as a student, either to pick up their teaching methods, or to evaluate them

Ancestry of “dự giờ”, step by step

dự giờ traces back through two separate lines of ancestry.

via Vietnamese giờ

StepLanguageWordMeaning
1Vietnamesegiờunit for specifying a point in time in terms of...
2Middle Chinese

via Vietnamese

StepLanguageWordMeaning
1Vietnameseumbrella; parachute; even if
2Proto-Vieticjɨh
Every word from Middle Chinese