to be logical

ロシア語: Russian language

a gagaku drum, such as a 大(だ)太(だい)鼓(こ) (dadaiko, “large drum”), a 釣(つり)太(だい)鼓(こ) (tsuridaiko, “hanging drum”) or a 担(にない)太(だい)鼓(こ) (ninaidaiko, “portable drum”)

Alternative spelling of 転落