Where does “石炭紀” come from?

石炭紀 (Japanese) comes from Japanese 石炭, from Japanese 石, from Middle Chinese 石.

石炭紀 (Japanese): the Carboniferous

Definitions

  1. the Carboniferous

Ancestry of “石炭紀”, step by step

石炭紀 traces back through two separate lines of ancestry.

via Japanese 石炭

StepLanguageWordMeaning
1Japanese石炭coal
2Japanese石a stone; a transistor; a traditional Japanese...
3Middle Chinese石—

via Japanese 紀

StepLanguageWordMeaning
1Japanese紀chronicle, written record
2Middle Chinese紀—
Every word from Middle Chinese 石 →Every word from Japanese 石 →Every word from Japanese 石炭 →