intersect (v.)youdaoicibaDictYouDict[intersect 词源字典]
1610s, back-formation from intersection, or else from Latin intersectus, past participle of intersecare "intersect, cut asunder," from inter- "between" (see inter-) + secare "to cut" (see section (n.)). Related: Intersected; intersecting.[intersect etymology, intersect origin, 英语词源]