pata-tto
An abrupt, complete stop of movement or activity. Something that was happening continuously just ceases.
💡Rain suddenly stopping — 'The noise from upstairs went pata-tto silent.'
急に風がぱたっとやんだ。
The wind suddenly stopped pata-tto.
The rain ___ stopped just as we arrived.
着いた途端に雨が○○とやんだ。