方言 ほうげん周圏 しゅうけん ろんでしょう
hōgenshūkenrondeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 方言周圏論

1. Probably a dialectical circle.; Probably sophistry.

Polite
Presumptive
Conjecture
Linguistics