# Erc

> English word · Proper noun · frequency rank #43,630

## Definitions
1. A member of the conspiracy that killed Cúchulainn, but was killed by his second cousin Conall the Victorious. Son of Cairbre Nia Fer and brother of Achall.

## Etymology
From Old Irish Erc (modern Irish Earc), a word for which the electronic Dictionary of the Irish language gives several meanings, but the most likely meaning for the name is "spotted, speckled, motley," from Proto-Celtic *ɸerkos (“perch”), ultimately from Proto-Indo-European *perḱ- (“colored”).

## Easily confused with
- **ex** (https://plainspell.com/en/vs/erc-vs-ex)
- **et** (https://plainspell.com/en/vs/erc-vs-et)
- **EU** (https://plainspell.com/en/vs/erc-vs-eu)
- **ES** (https://plainspell.com/en/vs/erc-vs-es)
- **EV** (https://plainspell.com/en/vs/erc-vs-ev)
- **ew** (https://plainspell.com/en/vs/erc-vs-ew)
- **ey** (https://plainspell.com/en/vs/erc-vs-ey)
- **ez** (https://plainspell.com/en/vs/erc-vs-ez)
- **eye** (https://plainspell.com/en/vs/erc-vs-eye)
- **eve** (https://plainspell.com/en/vs/erc-vs-eve)
- **est** (https://plainspell.com/en/vs/erc-vs-est)
- **EVA** (https://plainspell.com/en/vs/erc-vs-eva)
- **err** (https://plainspell.com/en/vs/erc-vs-err)
- **eta** (https://plainspell.com/en/vs/erc-vs-eta)
- **ESA** (https://plainspell.com/en/vs/erc-vs-esa)
- **erm** (https://plainspell.com/en/vs/erc-vs-erm)
- **eth** (https://plainspell.com/en/vs/erc-vs-eth)
- **evo** (https://plainspell.com/en/vs/erc-vs-evo)
- **ERS** (https://plainspell.com/en/vs/erc-vs-ers)
- **ere** (https://plainspell.com/en/vs/erc-vs-ere)

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