secondhand

Adjective

• previously used or owned by another
  • bought a secondhand (or used) car
    

• derived from what is primary or original; not firsthand
  • a secondhand report
    
  • a secondhand account of a memory of something once read
    
  • most of our knowledge is secondhand
    

Adverb

• by indirect means
  • I heard about it only secondhand or thirdhand
    
  • he prefers to buy secondhand