Etymology

ống ‎(“tube”) +‎ nhòm ‎(“to peek; to see”)

Pronunciation

• (Hà Nội) IPA^(key): [ʔɜwŋ͡m˧ˀ˦ ɲɔm˨˩]
• (Huế) IPA^(key): [ʔɜwŋ͡m˦˥ ɲɔm˧˧]
• (Hồ Chí Minh City) IPA^(key): [ʔɜwŋ͡m˦ˀ˥ ɲ̻ɔm˨˩]