From Wiktionary, the free dictionary
btunux
- stone, rock
sphut nya' tbihi' qu btunux qasa.- He's using the stone to press the cabbage.
他用石頭壓白菜。
spsqabu' nya' sehuy qu btunux mkilux qani.- He's using these boiling water-soaked stones to smoke the taro.
他要用這些燒燙的石頭悶烤芋頭。