From Wiktionary, the free dictionary
From សោះ (sɑh, “tasteless”) with prefixed bVN- (causative).
បន្សោះ • (bɑnsɑh) (abstract noun ការបន្សោះ)
- to extract the tastiest and most nutritious part (of something), to render tasteless or flavorless
- to dry, remove moisture from something
- to render futile
