Where does “mũi Cà Mau” come from?

mũi Cà Mau (Vietnamese) comes from Vietnamese Cà Mau, from Khmer ទឹកខ្មៅ, from Khmer ទឹក, from Proto-Austroasiatic ɗaːk — water.

Ancestry of “mũi Cà Mau”, step by step

mũi Cà Mau traces back through two separate lines of ancestry.

via Vietnamese Cà Mau

StepLanguageWordMeaning
1VietnameseCà MauCà Mau
2Khmerទឹកខ្មៅink
3Khmerទឹកwater, liquid, juice; round; temperament
4Proto-Austroasiaticɗaːkwater

via Vietnamese mũi

StepLanguageWordMeaning
1Vietnamesemũinose; tip; cape
2Proto-Vieticmuːsnose
3Proto-Mon-Khmermuhnose
Every word from Proto-Austroasiatic ɗaːk →Every word from Khmer ទឹក →Every word from Khmer ទឹកខ្មៅ →