verso
/ˈvɜːsəʊ/noun
(pl. -os)
1
- a left-hand page of an open book, or the back of a loose document(一本打开的书的)左页; (散页文件的)背面。与 RECTO相对。
2
- the reverse of something such as a coin or painting(硬币、绘画等的)反面, 背面。
词源
mid 19th cent.: from Latin verso (folio) 'on the turned (leaf)'.