ひめむかしよもぎであれば
姫昔蓬であれば
hime mukashi yomogideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of ひめむかしよもぎ

1. If/When Princess Hime-Murasaki existed…; If/When Princess Hime-Murasaki were to exist…

Ba Conditional
Usually Written in Kana