おうばへびのひげでしょう
大葉蛇の鬚でしょう
ōba hebino higedeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of おおばじゃのひげ

1. Probably snakebeard.

Polite
Presumptive
Conjecture
Usually Written in Kana