# idolum

> English word · Noun

## Definitions
1. An insubstantial image; a spectre or phantom.
2. A mental image or idea.
3. A misconception or fallacy.

## Etymology
From Latin īdōlum. Doublet of aidoru, eidolon, and idol and related to idea.

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