entrance, front door, entryway...

entrance, front door, entryway...

expert, professional, master...

unpolished rice, unmilled rice, brown rice...

great-great-grandchild, fourth-generation descendant

unpolished wheat or barley

abstruse, occult, mysterious

winter

sledgehammer

sledgehammer

black and yellow silk (offered to gods), heaven and earth

Black Tortoise (god said to rule over the northern heavens), seven mansions (Chinese constellations) of the northern heavens

ancient Chinese god of the north (or rain, water, etc.)

moon

hiding one's intelligence to avoid being different from the common people

burial chamber

swallow

day of the boar in the tenth month, mochi eaten on the day of the boar (esp. at the time of the boar)

Thunberg's geranium (Geranium thunbergii)

gibbon

magnet

mysterious profundity, quiet beauty, the subtle and profound...

entrance, front door

doorkeeper, doorman, porter

basalt, whin(stone)

green tea with roasted brown rice

professionals

type of slate (from Miyagi pref.)

Japanese raisin tree (Hovenia dulcis)

outdoing a professional, putting an expert to shame