v. in·ter·sect·ed, in·ter·sect·ing, in·ter·sects
1. To cut across or through: The path intersects the park.
2. To form an intersection with; cross: The road intersects the highway a mile from here.
1. To cut across or overlap each other: circles intersecting on a graph.
2. To form an intersection; cross: These two fences intersect at the creek.
[Latin intersecāre, intersect- : inter-, inter- + secāre, to cut; see sek- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.