The Collaborative International Dictionary
Querimoniousness
Querimonious \Quer`i*mo"ni*ous\, a. [L. querimonia a complaint, fr. queri to complain. See Querulous.] Complaining; querulous; apt to complain. -- Quer`i*mo"ni*ous*ly, adv. -- Quer`i*mo"ni*ous*ness, n.
Wiktionary
querimoniousness
n. (context archaic English) The quality of being querimonious, of tending to complain.