# triduan

> English word · Adjective · IPA /ˈtɹɪdjʊən/

## Definitions
1. Lasting three days.
2. Happening every third day.

## Etymology
From Latin triduanus, from triduum (“space of three days”).

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