Where does “oi bức” come from?

oi bức (Vietnamese) comes from Vietnamese ơi, from Proto-Vietic k-ʔoːs, from Proto-Mon-Khmer pʔus — guava.

oi bức (Vietnamese): hot and humid; sweltering; sultry

Definitions

  1. hot and humid; sweltering; sultry

Ancestry of “oi bức”, step by step

oi bức traces back through two separate lines of ancestry.

via Vietnamese ơi

StepLanguageWordMeaning
1Vietnameseơisuffixes to someone's name or kinship title, used...
2Proto-Vietick-ʔoːs—
3Proto-Mon-Khmerpʔusguava

via Vietnamese bức

StepLanguageWordMeaning
1Vietnamesebứcforce, coerce; disturbed, upset, unsettled;...
2Middle Chinese幅—
Every word from Proto-Mon-Khmer pʔus →Every word from Proto-Vietic k-ʔoːs →Every word from Vietnamese ơi →
oi bức — Etymology, Origin & Word History | Etymology Explorer