こうやのまんねんでしょう
高野の万年蘚でしょう
kōyano mannendeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of こうやのまんねんごけ

1. Probably Takano's perennial moss.

Polite
Presumptive
Conjecture
Usually Written in Kana