Where does “nhắm nghiền” come from?

nhắm nghiền (Vietnamese) comes from Vietnamese nghiền, from Chinese 研.

nhắm nghiền (Vietnamese): to close (one's eyes) tightly; to screw up (i.e. squint) one's eyes

Definitions

  1. to close (one's eyes) tightly; to screw up (i.e. squint) one's eyes

Ancestry of “nhắm nghiền”, step by step

nhắm nghiền traces back through two separate lines of ancestry.

via Vietnamese nghiền

StepLanguageWordMeaning
1Vietnamesenghiềnto grind; to crush; to pound; to cram; to swot;...
2Chinese研—

via Vietnamese nhắm

StepLanguageWordMeaning
1Vietnamesenhắmto close (eyes)
Every word from Chinese 研 →Every word from Vietnamese nghiền →
nhắm nghiền — Etymology, Origin & Word History | Etymology Explorer