旧石器時代

old times, old things, old friend, former, ex-

キュウ / ふる.い

stone

セキ / いし

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