とぐ

[ref dict="Unihan (Ch-En)"]厲[/ref], [ref dict="Unihan (Ch-En)"]研[/ref], [ref dict="Unihan (Ch-En)"]硏[/ref], [ref dict="Unihan (Ch-En)"]礱[/ref], [ref dict="Unihan (Ch-En)"]鋥[/ref]