元
Reading
                Kana: 
                げん
            
                    
                Romaji: 
                gen
            
            Definitions
                    1
                
                unknown (e.g. in an equation)
                                                            (Mathematics)
                                                    
                                                                                                                                                            
                    2
                
                element (of a set)
                                                            (Mathematics)
                                                    
                                                                                                                                                            
                    3
                
                yuan (monetary unit of China)
                    4
                
                Yuan dynasty (China)
Kanji
Readings: ゲン、 ガン、 もと
                        Meanings: beginning, former time, origin