Where does “内蔵助” come from?

内蔵助 (Japanese) comes from Japanese 内蔵寮, from Japanese の, from Old Japanese の, from Middle Chinese 能 — talent, ability.

内蔵助 (Japanese): the deputy of the 内蔵寮

Definitions

  1. the deputy of the 内蔵寮

Ancestry of “内蔵助”, step by step

内蔵助 traces back through two separate lines of ancestry.

via Japanese 内蔵寮

StepLanguageWordMeaning
1Japanese内蔵寮a 律令 treasury department under the 中務省
2Japaneseのgenitive case marker; nominative case marker in a...
3Old Japaneseのplain, field
4Middle Chinese能talent, ability

via Japanese 助

StepLanguageWordMeaning
1Japanese助assistance; help; assistant
2Middle Chinese助—
Every word from Middle Chinese 能 →Every word from Old Japanese の →Every word from Japanese の →