Where does “Chachoengsao” come from?

Chachoengsao (English) comes from Thai ฉะเชิงเทรา, from Khmer ជ្រៅ, from Proto-Austroasiatic *ɟruːʔ — deep.

Ancestry of “Chachoengsao”, step by step

StepLanguageWordMeaning
1Thaiฉะเชิงเทรา—
2Khmerជ្រៅdeep; profound
3Proto-Austroasiatic*ɟruːʔdeep
Every word from Proto-Austroasiatic *ɟruːʔ →Every word from Khmer ជ្រៅ →Every word from Thai ฉะเชิงเทรา →