interdating means dating (romantic courtship) between people belonging to different groups, such as different racial, ethnic, or religious groups. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From inter- + dating.
noun
- dating (romantic courtship) between people belonging to different groups, such as different racial, ethnic, or religious groups“The community held conflicting attitudes toward interdating and intermarriage. The prohibitions were stronger for girls than they were for boys, whom many parents assumed were less controllable.”