時じ代だい考こう証しょうMeaningsNoun1. background research; research into the periodKanji used時time代substitute考think (about something)証proofPitch accentじだいこうしょうComposed of時じ代だいperiod; epoch; era; age; the times; those days; oldness; ancientness; antiquity; antique; …Noun考こう証しょうinvestigation into historical evidence; study of historical artifactsNoun