さんてへらしだであれば
三手篦羊歯であれば
sante herashidadeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of みつでへらしだ

1. If it were a three-handed comb-shaped tool; If it were a three-handed sickle fern

Ba Conditional
Usually Written in Kana