Marrgu languageMarrgu is an extinct Aboriginal language of northern Australia. Additional names include Ajokoot, Croker Island, Raffles Bay, Terrutong, Yaako.ClassificationMarrgu had been assumed to be an Iwaidjan language like its neighbours. However, Evans has produced evidence that it was a language isolate, with possible connection to the extinct and poorly attested Wurrugu.PhonologyVowelsMarrgu has the three-vowel system typical of Iwaidjan languages.