ほん ぜん分倍 ぶばい りょうだったら
hon zembuba iryōdattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 本染分倍良

1. If/when naturally dyed, it's twice as good.; If it were naturally dyed, it would be twice as good.

Tara Conditional