book of original entry: Meaning and Definition of

book' of orig'inal en'try

Pronunciation: [key]
— Bookkeeping. Bookkeeping.
  1. a book in which transactions are recorded before being transferred into a ledger.
  2. journal (def. 5a, b).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.