Etymology

Sino-Vietnamese word from 術 (“calculation”) and 算 (“technique”)

Pronunciation

• (Hà Nội) IPA^(key): [tʰwɜʔt̚˧ˀ˨ʔ twaːn˧ˀ˦]
• (Huế) IPA^(key): [tʰwɜʔk̚˨ˀ˨ʔ twaːŋ˦˥]
• (Hồ Chí Minh City) IPA^(key): [tʰ⁽ʷ⁾ɜʔk̚˨ˀ˧ʔ t⁽ʷ⁾aːŋ˦ˀ˥]