つまぐろよこばいであれば
褄黒横這であれば
tsumaguroyokobaideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of つまぐろよこばい

1. If/when the hem is black and it lies sideways:; If/when the edges are dark and spread horizontally:

Ba Conditional
Usually Written in Kana