温おん故こ

noun

studying the past; researching history

Archaic standalone noun; in modern Japanese it is almost exclusively used inside the four-character idiom 温故知新 (おんこちしん, 'learning from the past').

See also: 温故知新

• 「温おん故こ知ち新しん」の「温おん故こ」は、古ふるいことをよく調しらべて学まなぶという意い味みです。

  The 温故 in 温故知新 means to study and learn from old things.