先せん史し時じ代だいMeaningsNounNo-adjective1. prehistoric era; prehistoric times; prehistoryKanji used先before (timewise)史history時time代substitutePitch accentせんしじだいComposed of先せん史しprehistoryNoun時じ代だいperiod; epoch; era; age; the times; those days; oldness; ancientness; antiquity; antique; …Noun