叙述 じょじゅつ名詞 めいし けいでしょう
jojutsumeishikeideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 叙述名詞形

1. Probably a descriptive noun.; Likely a noun modifier.

Polite
Presumptive
Conjecture
Linguistics