Where does “טאָנגאַ” come from?

טאָנגאַ (Yiddish) comes from Tongan Tonga, from Samoan toga — south; southern.

Ancestry of “טאָנגאַ”, step by step

StepLanguageWordMeaning
1TonganTonga
2Samoantogasouth; southern
Every word from Samoan togaEvery word from Tongan Tonga