A bag carried over one shoulder to transport supplies, as on a hike.
[French havresac, from obsolete German Habersack : German dialectal Haber, oats (from Middle High German habere, from Old High German habaro) + German Sack, bag (from Middle High German sac, from Old High German, from Latin saccus; see SACK1).]
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.