# sithen

> English word · Conjunction

## Definitions
1. From or since the time that.
2. Since then, after that.

## Etymology
From Middle English sithen, sythyn, from Old English siþþan (“afterwards, since”), from sīþ (“since”) + þǣm (“that”). Compare German seitdem, Old Norse síðan.

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