Following family tradition, he embarked on Western studies, studying English and mathematics at the Kaiseijo school (one of the predecessors of the University of Tokyo).
He became an official of the Education Ministry (1873) and edited an English Japanese dictionary and a Japanese dictionary. Taught at various schools. He was devoted to the study of Japanese grammar and language.
Was appointed a member of the Education Ministry's National Language Research Committee and a member of the Imperial Academy (1912).