quer·u·lous (kwĕrə-ləs, kwĕryə-)
1. Given to complaining; peevish.
2. Expressing a complaint or grievance; grumbling: a querulous voice; querulous comments.
[Middle English querulose, litigious, quarrelsome, from Old French querelos, from Late Latin querulōsus, querulous, from Latin querulus, from querī, to complain; see kwes- 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.