quword 趣词
            Word Origins Dictionary
         
        
        
     
    - exterior    
- exterior: see extra
 
- exterior (adj.)    
- 1520s, from Latin exterior "outward, outer, exterior," comparative of exterus "on the outside, outward, outer, of another country, foreign," itself a comparative of ex "out of" (see ex-). As a noun, "outer surface or aspect" from 1590s.