promiscuity
                                                    英 [prɒmɪ'skjuːɪtɪ]
                                                                        美 [,pro'skjʊəti]
                        
                
                
                
                
                    
                                    
                
                                                                                                        promiscuity 英文词源
                
                
                    
                        - promiscuity (n.)
- 1834, "indiscriminate mixture," from French promiscuité (1752), from Latin promiscuus "mixed" (see promiscuous) + French -ité (see -ity). Sexual sense is from 1844. Earlier was promiscuousness (by 1773 general; 1808 sexual).