第一勧銀だいいちかんぎん Noun company name English jmdict 1 noun (common) (futsuumeishi) company name Dai-Ichi Kangyo Bank (DKB) (now merged into Mizuho Bank) (abbr) English jmnedict 1 Dai-Ichi Kangyo Bank (DKB) (now merged into Mizuho Bank) (abbr)