Etymology

Borrowing from French fermeture ‎(“fastener”)

Pronunciation

• (Hà Nội) IPA^(key): [fɛʔk̚˧ˀ˦ məːɰ˧˧ twiɜ˧˧]
• (Huế) IPA^(key): [fɛʔk̚˦˥ məːɰ˧˧ twiɜ˧˧]
• (Hồ Chí Minh City) IPA^(key): [fɛʔk̚˦ˀ˥ məːɰ˧˥ t⁽ʷ⁾iɜ˧˥]