ひぬまいととんぼであれば
涸沼糸蜻蛉であれば
hinumaito tombodeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of ひぬまいととんぼ

1. If it were a *karasu-tombo* of Horigane-numa.; If a *karasu-tombo* from Horigane-numa.

Ba Conditional
Usually Written in Kana