C16: from earlier quillity, perhaps an alteration of quiddity
quillet in American English
(ˈkwɪlɪt)
noun
archaic
a subtlety or quibble
Derived forms
quilleted
adjective
Word origin
[1580–90; earlier quillity, var. of quiddity]This word is first recorded in the period 1580–90. Other words that entered Englishat around the same time include: category, classical, humanist, motor, scramble