はびこったそうだ【
蔓延ったそうだ
】

habikotta sōda

Godan Verb (ru)

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Evidential Auxiliary

Expresses hearsay about a past event ("I heard that...") of はびこる

1. It seems...; It is said...; It spread...; It has spread...

Past/Perfective

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Hearsay Evidence

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Usually Written in Kana