Bronze Age
blue, green
セイ / あお
copper
ドウ / あかがね
utensil, vessel, receptacle, implement, instrument, ability, container, tool, set
キ / うつわ
time, hour
ジ / とき
substitute, change, convert, replace, period, age, counter for decades of ages, eras, etc., generation, charge, rate, fee
ダイ / か.わる