- terceroon (n.)
[terceroon 词源字典]
- offspring of a white and a mulatto, 1760, from Spanish *terceron, from tercero "a third (person)," from tercio "third," from Latin tertius "a third," from root of tres "three" (see three). So called from being third in descent from a Negro.[terceroon etymology, terceroon origin, 英语词源]