# year-old

> English word · Adjective

## Definitions
1. Of the age of one year.

## Etymology
The combining form -year-old dates from Middle English (ȝeer old(e), yeer old(e), yere old(e)).

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