とうったそうだ
to utta sōda

Godan Verb (u)
Evidential Auxiliary

Expresses hearsay about a past event ("I heard that...") of 通う

1. I heard that [someone] passed (through/by).; I heard that [someone] went through (a process/experience).; I heard that [someone] succeeded.

Past/Perfective
Hearsay Evidence