reduplicate
verb /ˌriːˈdjuːplɪkeɪt/
  /ˌriːˈduːplɪkeɪt/
[intransitive, transitive]Verb Forms
| present simple I / you / we / they reduplicate |  /ˌriːˈdjuːplɪkeɪt/  /ˌriːˈduːplɪkeɪt/ | 
| he / she / it reduplicates |  /ˌriːˈdjuːplɪkeɪts/  /ˌriːˈduːplɪkeɪts/ | 
| past simple reduplicated |  /ˌriːˈdjuːplɪkeɪtɪd/  /ˌriːˈduːplɪkeɪtɪd/ | 
| past participle reduplicated |  /ˌriːˈdjuːplɪkeɪtɪd/  /ˌriːˈduːplɪkeɪtɪd/ | 
| -ing form reduplicating |  /ˌriːˈdjuːplɪkeɪtɪŋ/  /ˌriːˈduːplɪkeɪtɪŋ/ | 
- reduplicate (something/itself) to make a copy of something in order to form another of the same kind- These cells are able to reduplicate themselves.
 Word Originlate 16th cent.: from late Latin reduplicat-, ‘doubled again’, from the verb reduplicare, from re- ‘again’ + duplicare (from duplic- ‘twofold’, from duo ‘two’ + plicare ‘to fold’).