Etymology

Sino-Vietnamese word from 瑞士, possibly from Min Nan 瑞士 ‎(Sūi-sū)

Pronunciation

• (Hà Nội) IPA^(key): [tʰwi˧ˀ˨ʔ s̪i˦ˀ˥]
• (Huế) IPA^(key): [tʰwɪj˨ˀ˨ʔ ʂɪj˧˩]
• (Hồ Chí Minh City) IPA^(key): [tʰ⁽ʷ⁾ɪj˨ˀ˧ʔ ʂɪj˨˦]