1. A variety of garlic (Allium sativum var. ophioscorodon) having a twisted scape, or a related plant (A. scorodoprasum) having a garliclike bulb.
2. The bulb of either of these plants, used as a seasoning.
[French, from German Rockenbolle : Rocken, distaff (from Middle High German rocke, from Old High German rocko, from Vulgar Latin *rotica, from Latin rotāre, to turn; see ROTATE) + Bolle, bulb (from Middle High German bolle, from Old High German bolla, ball; see bhel-2 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.