# sisterson

> English word · Noun

## Definitions
1. The son of one's sister; sororal nephew

## Etymology
From Middle English systerson, sustersone, from Old English sweostorsunu, from Proto-West Germanic *swestersunu, from Proto-Germanic *swestērsunuz, equivalent to sister + son.

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