transcription, транскрипция: [ ə-ˈden-dəm ]
noun
( plural ad·den·da -ˈden-də ; also -den·dums )
Etymology: Latin, neuter of addendus, gerundive of addere
Date: 1684
1. : a thing added : addition
2. : a supplement to a book — often used in plural but sing. in constr.