Etymology

Sino-Vietnamese word from 數 (“number”) and 複 (“double”), a calque of Chinese 複數 phức số

Pronunciation

• (Hà Nội) IPA^(key): [s̪o˧ˀ˦ fɨ̞̠ʔk̚˧ˀ˦]
• (Huế) IPA^(key): [ʂow˩ˀ˧ fɨ̞̠ʔk̚˦˥]
• (Hồ Chí Minh City) IPA^(key): [ʂow˦ˀ˥ fɨ̞̠ʔk̚˦ˀ˥]