# ab-

> English word · Prefix

## Definitions
1. From.
2. Away from; outside of.

## Etymology
From Latin ab-, from Proto-Indo-European *h₂epo (“off, away”) (English off, of). Doublet of apo- and off-.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ab