還暦 かんれき土俵 どひょう りでしょう
kanrekidohyō irideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 還暦土俵入り

1. Probably a 60th birthday sumo ring entering ceremony.

Polite
Presumptive
Conjecture
Sumo