Frequency rank: 8,449. – 8,464.
- to sharpen; to grind; to whet; to hone; to make keen
Godan verb with 'su' ending; transitive verb
Generated: This meaning refers to the action of making something sharper or keener, typically in a literal sense, such as sharpening a blade or a tool. It can also be used metaphorically to indicate enhancing skills or senses.