A light to dark green carbonate mineral, Cu2CO3(OH)2, used as a source of copper and for ornamental purposes.
[Middle English molochite, melochite (the Modern English spelling being influenced by Greek malakhē, mallow), ultimately (partly via Anglo-Norman melochite) from Latin molochītes, an Arabian stone said by Pliny the Elder (perhaps influenced by folk etymology) to be the color of mallows, from Greek molokhītis, perhaps from malakhē, molokhē, mallow, of Semitic origin; see mlḥ in the Appendix of Semitic roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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.