Compounds of 古

• 古き良き時代
  (exp) the good old days
  halcyon days
• 古き良き日々
  (exp) the good old days
  halcyon days
• 古生物地理学
  (n) palaeobiogeography
  paleobiogeography
• 古代エジプト
  (n) ancient Egypt
• 申し合い稽古
  (n) training matches where the winner picks his next opponent
• 打つ借り稽古
  (n) stopping the opponent's charge (in training) and swinging him down
• 言い古した言葉
  (n) hackneyed saying
• 古典的条件づけ
  (n) classical conditioning
• 古典的条件付け
  (n) classical conditioning
• 古代オリンピック
  (n) ancient Olympics
• 古い革袋に新しい酒を盛る
  (exp) (id) (obsc) to put new wine into old wineskins
  to put new wine into old bottles
• 新しい酒は古い革袋に入れる
  (exp) (id) (obsc) to put new wine into old wineskins
  to put new wine into old bottles