たゆたったそうだ
揺蕩ったそうだ
tayutatta sōda

Godan Verb (u)
Evidential Auxiliary

Expresses hearsay about a past event ("I heard that...") of たゆたう

1. It seems...; Apparently...; I heard it swayed/rocked.

Past/Perfective
Hearsay Evidence
Usually Written in Kana