Where does “七不思議” come from?

七不思議 (Japanese) comes from Japanese 七, from Old Japanese 七, from Old Japanese なの.

七不思議 (Japanese): seven or more strange events or phenomena, usually in a particular region or location

Definitions

  1. seven or more strange events or phenomena, usually in a particular region or location

Ancestry of “七不思議”, step by step

七不思議 traces back through two separate lines of ancestry.

via Japanese 七

StepLanguageWordMeaning
1Japanese七seven, 7; a seven; a gambler
2Old Japanese七seven, 7
3Old Japaneseなの—

via Japanese 不思議

StepLanguageWordMeaning
1Japanese不思議a mystery, wonder; a miracle; an extravagance
2Japanese不可思議In the traditional Japanese number system, 10 or...
Every word from Old Japanese なの →Every word from Old Japanese 七 →Every word from Japanese 七 →