東とう雅がとうがMeanings1nounTogawork of art, literature, music, etc.Title of a 1719 Japanese etymological text by Arai Hakuseki. Used as a proper noun referring to the work itself.新あら井い白はく石せきの『東とう雅が』は、日本にほん語ごの語ご源げんを論ろんじた書しょ物もつです。Arai Hakuseki's 'Toga' is a book that discusses the etymology of Japanese words.