tr.v. or·dained, or·dain·ing, or·dains
a. To invest with ministerial or priestly authority; confer holy orders on: ordain a priest.
b. To authorize as a rabbi.
2. To order or decree by virtue of superior authority: The management ordained that business attire should be worn in the office at all times.
3. To prearrange unalterably; predestine: events that were ordained by fate.
[Middle English ordeinen, from Old French ordener, ordein-, from Latin ōrdināre, to organize, appoint to office, from ōrdō, ōrdin-, order; see ar- in the Appendix of Indo-European roots.]
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Indo-European & Semitic Roots Appendicies
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.