だい日本 にっぽん ゆたか秋津洲 あきつしま
dainippon'yutakākitsushimade

Noun
Da Copula

て-form: Used to connect clauses, make requests, or chain actions of 大日本豊秋津洲

1. Great Japan, abundant autumn land. ; Great Japan, rich harvest land.

Te-Form