Where does “変ト長調” come from?

変ト長調 (Japanese) comes from Japanese 変, from Middle Chinese 變.

変ト長調 (Japanese): G-flat major

Definitions

  1. G-flat major

Ancestry of “変ト長調”, step by step

変ト長調 traces back through 3 separate lines of ancestry.

via Japanese 変

StepLanguageWordMeaning
1Japanese変a change
2Middle Chinese變—

via Japanese ト

StepLanguageWordMeaning
1Japaneseトsol

via Japanese 長調

StepLanguageWordMeaning
1Japanese長調major key
Every word from Middle Chinese 變 →Every word from Japanese 変 →
変ト長調 — Etymology, Origin & Word History | Etymology Explorer