涸沼 ひぬま糸蜻蛉 いととんぼであれば
hinumaito tombodeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 涸沼糸蜻蛉

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

Ba Conditional