Where does “Đéc” come from?

Đéc (Vietnamese Sa) comes from Khmer ដី, from Proto-Mon-Khmer t₁iʔ.

Ancestry of “Đéc”, step by step

StepLanguageWordMeaning
1Khmerដីland, soil, ground; territory; "Piper...
2Proto-Mon-Khmert₁iʔ—
Every word from Proto-Mon-Khmer t₁iʔ →Every word from Khmer ដី →