# eldfather

> English word · Noun

## Definitions
1. One's grandfather or forefather.
2. One's father-in-law.

## Etymology
From Middle English eldfader, variant of olde fader, from Old English eald fæder (“grandfather, ancestor”), equivalent to eld (“old”) + father. Cognate with Scots eldfader (“grandfather, father-in-law”), Old Frisian aldafeder (“grandfather”).

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