古希 こき 70th birthday #25,138 Meanings also 古稀 noun 70th birthday ancient Greek (language) Its kanji 古 コ · ふる.い、ふる-、-ふる.す old 希 キ、ケ · まれ、こいねが.う hope, beg, request, pray, beseech, Greece, dilute (acid), rare, few, phenomenal