Question: Casu modde, casu cundídu and casu fràzigu , translated to English means "rotten/putrid cheese", is what  primary indigenous Romance language spoken on most of the island of Sardinia ?
Sentence (from "Casu marzu"): Casu marzu (] , also called casu modde, casu cundídu and casu fràzigu in Sardinian language), literally translating into English as "rotten/putrid cheese", is a traditional Sardinian sheep milk cheese, that contains live insect larvae (maggots).
Relevant evidence: Yes