もぐらせったそうだ【
潜らせったそうだ
】

mogurasetta sōda

Ichidan Verb

,

Evidential Auxiliary

Expresses hearsay about a past event ("I heard that...") of くぐらせる

1. Apparently; It seems; I heard that

Past/Perfective

,

Hearsay Evidence

,

Usually Written in Kana