Where does “Fidjioyggjar” come from?

Fidjioyggjar (Faroese) comes from Faroese Fidji, from Fijian Viti Levu — Great Viti; Great Fiji.

Ancestry of “Fidjioyggjar”, step by step

Fidjioyggjar traces back through two separate lines of ancestry.

via Faroese Fidji

StepLanguageWordMeaning
1FaroeseFidjiFiji
2FijianViti LevuGreat Viti; Great Fiji

via Faroese oyggjar

StepLanguageWordMeaning
1Faroeseoyggjarinflection of oyggj: ## indefinite genitive...
Every word from Fijian Viti LevuEvery word from Faroese Fidji
Fidjioyggjar — Etymology, Origin & Word History | Etymology Explorer