東とう証しょう第だい一いち部ぶMeaningsNoun1. First Section of the Tokyo Stock ExchangeKanji used東east証proof第ordinal number一one部sectionComposed of東とう証しょうTokyo Stock ExchangeNoun第だい一いちfirst; foremost; number one; most important; best; greatest; most; above all; besides; in any case; …No-adjective部ぶdepartment (in an organization, company, etc.); division; bureau; faculty; club (at a school, university, etc.); team; part; portion; region; area; …Noun