# mycelium

> English word · Noun · IPA /maɪˈsi.li.əm/ · frequency rank #56,307

## Definitions
1. The vegetative part of any fungus, consisting of a mass of branching, threadlike hyphae, often underground.

## Etymology
From New Latin mycelium; synchronically, myc- + -el- + -ium, where the infix -el- is of unknown origin, perhaps introduced from a rebracketing of epithelium.

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