さやさや

adverb, adverb taking the 'to' particle

soft rustling; light rustling

Describes a gentle, soft rustling sound, typically of leaves, grass, or light fabrics moving in a breeze. Often used with と.

• 風かぜが吹ふくと、木この葉はがさやさやと音おとを立たてた。

  When the wind blew, the leaves rustled softly.

• 竹ちく林りんがさやさやと揺ゆれている。

  The bamboo grove is swaying with a soft rustle.