koton
A soft, gentle sound of a small object being placed down or falling lightly — a mug set on a table, a fruit dropping from a tree.
💡Setting down a coffee cup — 'She placed the cup on the saucer with a koton.'
コップをことんとテーブルに置いた。
I placed the cup on the table with a koton.
The acorn fell from the tree and landed ___ on the bench.
どんぐりが木から落ちてベンチに○○と当たった。