Where does “大きなお友達” come from?

大きなお友達 (Japanese) comes from Japanese 大きな, from Japanese 大きい, from Japanese 大き.

Ancestry of “大きなお友達”, step by step

大きなお友達 traces back through 3 separate lines of ancestry.

via Japanese 大きな

StepLanguageWordMeaning
1Japanese大きな—
2Japanese大きいbig; broad, immense
3Japanese大き—

via Japanese お

StepLanguageWordMeaning
1Japaneseお諾 yes, alright, okay; オ a sign used in some...
2Middle Chinese惡—

via Japanese 友達

StepLanguageWordMeaning
1Japanese友達friend
2Japanese友friend
Every word from Japanese 大き →Every word from Japanese 大きい →Every word from Japanese 大きな →