or·di·nate (ôrdn-ĭt, -āt′)
Arranged in regular rows, as the spots on the wings of an insect.
Symbol y The plane Cartesian coordinate representing the distance from a specified point to the x-axis, measured parallel to the y-axis.
[Middle English, properly ordered, from Latin ōrdinātus, past participle of ōrdināre, to set in order, from ōrdō, ōrdin-, order; see ar- in the Appendix of Indo-European roots.]
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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.