Where does “伊豆の国” come from?

伊豆の国 (Japanese) comes from Japanese の, from Old Japanese の, from Middle Chinese 能 — talent, ability.

Ancestry of “伊豆の国”, step by step

伊豆の国 traces back through 3 separate lines of ancestry.

via Japanese の

StepLanguageWordMeaning
1Japaneseのgenitive case marker; nominative case marker in a...
2Old Japaneseのplain, field
3Middle Chinese能talent, ability

via Japanese 国

StepLanguageWordMeaning
1Japanese国a land, a large place; a country in general, a...
2Old Japanese国—

via Japanese 伊豆

StepLanguageWordMeaning
1Japanese伊豆Izu Province, an old province of Japan

Words derived from “伊豆の国”

Every word from Middle Chinese 能 →Every word from Old Japanese の →Every word from Japanese の →