Where does “hết biết” come from?

hết biết (Vietnamese) comes from Vietnamese hết, from Proto-Vietic heːt, from Proto-Mon-Khmer ʔət.

hết biết (Vietnamese): utterly, to incomprehensible extent

Definitions

  1. utterly, to incomprehensible extent

Ancestry of “hết biết”, step by step

hết biết traces back through two separate lines of ancestry.

via Vietnamese hết

StepLanguageWordMeaning
1Vietnamesehếtto finish, to end, to expire, to come to an end;...
2Proto-Vieticheːtfinished
3Proto-Mon-Khmerʔət—

via Vietnamese biết

StepLanguageWordMeaning
1Vietnamesebiếtto know; to be aware of; to learn about; to...
Every word from Proto-Mon-Khmer ʔət →Every word from Proto-Vietic heːt →Every word from Vietnamese hết →