Where does “สายตรวจ” come from?

สายตรวจ (Thai) comes from Thai ตรวจ, from Old Khmer ត្រ្វច៑.

สายตรวจ (Thai): inspector, investigator

Definitions

  1. inspector, investigator

Ancestry of “สายตรวจ”, step by step

สายตรวจ traces back through two separate lines of ancestry.

via Thai ตรวจ

StepLanguageWordMeaning
1Thaiตรวจto examine; to inspect; to check
2Old Khmerត្រ្វច៑

via Thai สาย

StepLanguageWordMeaning
1Thaiสายlate; delayed; late morning; line; wire; rope;...
2Proto-Taisaːjᴬcord; string
Every word from Old Khmer ត្រ្វច៑Every word from Thai ตรวจ