Etymology

buồn ‎(“to feel like”) +‎ ngủ ‎(“to sleep”)

Pronunciation

• (Hà Nội) IPA^(key): [ˀɓuɜn˨˩ ŋu˧˩]
• (Huế) IPA^(key): [ˀɓuɜŋ˧˧ ŋʊw˧˩]
• (Hồ Chí Minh City) IPA^(key): [ˀɓuɜŋ˨˩ ŋʊw˨˦]