本体ほんたい種別しゅべつ表示ひょうじでしょう
hontaishubetsuhyōjideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 本体種別表示

1. Probably the type of main unit.; Probably a type indication.

Polite
Presumptive
Conjecture
Computing