adverb, adverb taking the 'to' particle
rustling; slithering; whizzing; hissing
Mimetic adverb describing a light, continuous rustling or sliding sound, such as silk fabric moving, a snake slithering, or a small object whizzing through the air. Often used with と.
絹のドレスがしゅるしゅると音を立てた。
The silk dress made a rustling sound.
ヘビが草むらをしゅるしゅると這っていった。
The snake slithered through the grass with a rustling sound.