- triplex
[triplex 词源字典]
- "Toughened or laminated safety glass, used especially for car windows", Early 17th century (as an adjective in the sense 'threefold'): from Latin, 'threefold', from tri- 'three' + plicare 'to fold'. Current specific senses date from the 1920s.[triplex etymology, triplex origin, 英语词源]