# sistern

> English word · Noun

## Definitions
1. Alternative form of sistren.

## Etymology
From Middle English sisterne, systerne, sistren, sustren, sustern, equivalent to sister + -en; or alternatively modelled after brethren.

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