Where does “พี่สาว” come from?

พี่สาว (Thai) comes from Thai สาว, from Proto-Tai saːwᴬ — unmarried woman.

พี่สาว (Thai): big sister, elder sister

Definitions

  1. big sister, elder sister

Ancestry of “พี่สาว”, step by step

พี่สาว traces back through two separate lines of ancestry.

via Thai สาว

StepLanguageWordMeaning
1Thaiสาวgirl, young woman; bride; youthful, juvenile,...
2Proto-Taisaːwᴬunmarried woman

via Thai พี่

StepLanguageWordMeaning
1Thaiพี่elder brother; elder sister; older person;...
2Proto-Taibiːᴮolder sibling
Every word from Proto-Tai saːwᴬ →Every word from Thai สาว →