dif·fer·en·ti·a (dĭf′ə-rĕnshē-ə, -shə)
n. pl. dif·fer·en·ti·ae (-shē-ē′)
An attribute that distinguishes one entity from another, especially an attribute that distinguishes one species from others of the same genus.
[Latin, difference, from differēns, different-, present participle of differre, to differ; see DIFFER.]
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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.