こうろえんかわひばりかいだろう
香櫨園川雲雀貝だろう
kōroenkawa hibarikaidarō

Noun
Da Copula

Expresses probability ("probably…") of こうろえんかわひばりがい

1. Probably a skylark shell from Kawakami's garden.

Presumptive
Conjecture
Usually Written in Kana