# dia-

> English word · Prefix · IPA /daɪə/

## Definitions
1. through, across
2. between

## Etymology
From Ancient Greek prefix δια- (dia-), from διά (diá, “through, across, by, over”).

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