Where does “トンガ王国” come from?

トンガ王国 (Japanese) comes from Japanese トンガ, from Tongan Tonga, from Samoan toga — south; southern.

トンガ王国 (Japanese): the Kingdom of Tonga

Definitions

  1. the Kingdom of Tonga

Ancestry of “トンガ王国”, step by step

トンガ王国 traces back through two separate lines of ancestry.

via Japanese トンガ

StepLanguageWordMeaning
1JapaneseトンガTonga
2TonganTonga—
3Samoantogasouth; southern

via Japanese 王国

StepLanguageWordMeaning
1Japanese王国kingdom
2Middle Chinese王國—
Every word from Samoan toga →Every word from Tongan Tonga →Every word from Japanese トンガ →