# casu martzu

> English word · Noun · IPA /ˌkɑːzuː ˈmɑː(ɹ)tsuː/

## Definitions
1. A kind of sheep milk cheese from Sardinia, riddled with live insect larvae.

## Etymology
Unadapted borrowing from Sardinian casu martzu (literally “rotten cheese”).

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