建久 けんじ unclassified name Also 建久: けんきゅう Kenkyū era (1190.4.11-1199.4.27) たてひさ Tatehisa 建久けんじ unclassified name English JMnedict (Japanese names) 1 Kenji 漢字 kanji used 建 build 9画 久 long time, old story 3画