Where does “気学” come from?

気学 (Japanese) comes from Japanese 学, from Middle Chinese 學.

気学 (Japanese): kigaku: a form of fortune-telling based on Chinese twelve year zodiac cycle calendar and the five traditional elements of wood, fire, earth, metal, and water

Definitions

kigaku: a form of fortune-telling based on Chinese twelve year zodiac cycle calendar and the five traditional elements of wood, fire, earth, metal, and water

Ancestry of “気学”, step by step

気学 traces back through two separate lines of ancestry.

via Japanese 学

Step	Language	Word	Meaning
1	Japanese	学	scholarship; learning; knowledge; -ology; -ics;...
2	Middle Chinese	學	—

via Japanese 気

Step	Language	Word	Meaning
1	Japanese	気	spirit, mood; inclination, will, mood, urge;...
2	Middle Chinese	氣	spirit; breath

Words derived from “気学”

kigaku

Every word from Middle Chinese 學 →Every word from Japanese 学 →