Etymology

bao ‎(“pack”) +‎ cao su ‎(“rubber”)

Pronunciation

• (Hà Nội) IPA^(key): [ˀɓaːw˧˧ kaːw˧˧ s̪u˧˧]
• (Huế) IPA^(key): [ˀɓaːw˧˧ kaːw˧˧ ʂʊw˧˧]
• (Hồ Chí Minh City) IPA^(key): [ˀɓaːw˧˥ kaːw˧˥ ʂʊw˧˥]