おっはじめたそうだ
おっ始めたそうだ
ohhajimeta sōda

Ichidan Verb
Evidential Auxiliary

Expresses hearsay about a past event ("I heard that...") of おっぱじめる

1. I heard they started.; They say they began.

Past/Perfective
Hearsay Evidence
Usually Written in Kana