Where does “磨丁” come from?

磨丁 (Chinese) comes from Lao ບໍ່ເຕັນ, from Lao ບໍ່, from Proto-Tai ɓoːᴮ — well; spring.

Ancestry of “磨丁”, step by step

StepLanguageWordMeaning
1Laoບໍ່ເຕັນ—
2Laoບໍ່no, not (used to form negatives)
3Proto-Taiɓoːᴮwell; spring
Every word from Proto-Tai ɓoːᴮ →Every word from Lao ບໍ່ →Every word from Lao ບໍ່ເຕັນ →
磨丁 — Etymology, Origin & Word History | Etymology Explorer