こうろえんかわひばりかいだったら
香櫨園川雲雀貝だったら
kōroenkawa hibarikaidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of こうろえんかわひばりがい

1. If it were a fragrant cedar garden lark shell:; If it had been a fragrant cedar garden lark shell:

Tara Conditional
Usually Written in Kana