さんてへらしだでしょう
三手篦羊歯でしょう
sante herashidadeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of みつでへらしだ

1. Probably a secondhand comb.; Probably a used comb.

Polite
Presumptive
Conjecture
Usually Written in Kana