thirdhand
adjective
                                                                                                                            
                                                            third·hand
                    
                                                                                                              
                                                                                                                                  ˈthərd-ˈhand  
                                                      
                                                          
            1
                    
                                          
              
          
                                                      : received from or through two intermediaries                                      
              
                             
thirdhand information
                         
                
                    2
                    
        a
    
          
                                          
              
          
                                                      : acquired after being used by two previous owners                                      
                
                    
        b
    
          
                                          
              
          
                                                      : dealing in thirdhand merchandise                                      
                
                    
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  Merriam-Webster unabridged




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