What does "adversaria" mean?

Originally, a book of accounts, so named from the placing of debt and credit in opposition to each other.

What is a synonym for "adversaria"?

Common synonyms include: address book, album, annotation, annual, blotter, calendar.

noun

noun ·Rare ·Advanced level

Noun

1
Originally, a book of accounts, so named from the placing of debt and credit in opposition to each other. obsolete, plural, plural-only
2
A collection of notes or commentaries; a commonplace book. obsolete, plural, plural-only

From Latin adversus.