ゆたか葦原 よしわら瑞穂 みずほ こくだったら
yutaka yoshi waramizuho kokudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 豊葦原瑞穂国

1. If/When it were the bountiful reed plains and rice fields.; If/When it were a land of rich rice plains.

Tara Conditional