Etymology

Sino-Vietnamese word from 熱 (“heat”) and 計 (“instrument”)

Pronunciation

• (Hà Nội) IPA^(key): [ɲiɜʔt̚˧ˀ˨ʔ ke˧ˀ˦]
• (Huế) IPA^(key): [ɲiɜʔk̚˨ˀ˨ʔ kej˩ˀ˧]
• (Hồ Chí Minh City) IPA^(key): [ɲ̻iɜʔk̚˨ˀ˧ʔ kej˦ˀ˥]