- cross-over (n.)
[cross-over 词源字典]
- also crossover, 1795, as a noun, a term in textiles, from the verbal phrase; see cross (v.) + over (adv.). From 1884 in railroading; from 1912 in biology. As a general adjective from 1893; specifically of musicians and genres from 1971.[cross-over etymology, cross-over origin, 英语词源]