Where does “靑海原” come from?

靑海原 (Old Japanese) comes from Old Japanese 海原, from Old Japanese な, from Old Japanese の, from Middle Chinese 能 — talent, ability.

靑海原 (Old Japanese): the vast, blue ocean

Definitions

  1. the vast, blue ocean

Ancestry of “靑海原”, step by step

靑海原 traces back through two separate lines of ancestry.

via Old Japanese 海原

StepLanguageWordMeaning
1Old Japanese海原a wide ocean
2Old Japaneseなany sharp and thin cutting implement: a blade,...
3Old Japaneseのplain, field
4Middle Chinese能talent, ability

via Korean 靑

StepLanguageWordMeaning
1Korean靑in news headlines
Every word from Middle Chinese 能 →Every word from Old Japanese の →Every word from Old Japanese な →