研
                    to polish
                
                                            Kunyomi
                         
                                - と to
 
                            Onyomi
                         
                                - ケン ken
 
                            Meanings
                         
                                - to polish
 - study of
 - to sharpen
 
                        Traits
                     
                            - JLPT level N4
 - Jôyô grade 3
 - Strokes number 9
 - Unicode 7814