# per annum

> English word · Prep_phrase

## Definitions
1. In a year.
2. For a year.

## Etymology
Borrowed from Late Latin per annum, English from the 16th century.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/per-annum