古こ墳ふん時じ代だいMeaningsNoun1. Kofun period (of Japanese history, 250-538 CE); Tumulus period (Historical)Kanji used古old墳tomb時time代substitutePitch accentこふんじだいComposed of古こ墳ふんancient burial mound; barrow; tumulusNoun時じ代だいperiod; epoch; era; age; the times; those days; oldness; ancientness; antiquity; antique; …Noun