Of, relating to, or belonging to the arachnid family Acaridae, which includes mites that infest stored food.
An arachnid of the subclass Acari or the order Acarina, which includes the mites and ticks.
[From New Latin Acaridae, family name, from Acarus, type genus, from acarus, mite, variant of acari, from Greek akari, a kind of mite that lives in cheese, probably alteration (influenced by koris, bedbug) of akarēs, too short to be cut, tiny; akin to epikarsios, cross-wise, at an angle; see sker- 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.