ทำนบ

From Old Khmer daṃnap daṃnapp (“that which obstructs or block; barrage, dam”) or Angkorian Old Khmer daṃnap (idem), extended forms of dap, *dap, *dapp (“to obstruct or block; to close, to shut; to cover; etc”), from which Thai ทบ (tóp) is derived. Cognate with Modern Khmer ទំនប់ (tumnup).

ทำนบ • (tam-nóp) (classifier ทำนบ or แห่ง)

1. water barrier: dam, dyke, barrage, etc.