Etymology

cá ‎(“fish”) + sấu, from Proto-Vietic *k-ruːʔ ‎(“crocodile”)

Pronunciation

• (Hà Nội) IPA^(key): [kaː˧ˀ˦ s̪ɜw˧ˀ˦]
• (Huế) IPA^(key): [kaː˩ˀ˧ ʂɜw˩ˀ˧]
• (Hồ Chí Minh City) IPA^(key): [kaː˦ˀ˥ ʂɜw˦ˀ˥]