Where does “nhường nào” come from?

nhường nào (Vietnamese) comes from Vietnamese não, from Chinese 腦, from Proto-Sino-Tibetan s-nəw-k — brain.

Ancestry of “nhường nào”, step by step

nhường nào traces back through two separate lines of ancestry.

via Vietnamese não

StepLanguageWordMeaning
1Vietnamesenãobrain, cerebrum
2Chinese腦—
3Proto-Sino-Tibetans-nəw-kbrain

via Vietnamese nhường

StepLanguageWordMeaning
1Vietnamesenhườngto give up (something one wants or has to someone else), to relinquish, to make concessions
2Middle Chinese讓—
Every word from Proto-Sino-Tibetan s-nəw-k →Every word from Chinese 腦 →Every word from Vietnamese não →