quisquous
Hard to deal with; dubious; of people: having a character difficult to assess.
rare
Besides, the truths delivered by ministers in the fields upon quisquous subjects, with no small caution by some, and pretty safely, were heard and taken up by the hearers, according to their humours and opinions, many times far different from, and altogether without the cautions given by the preacher, which either could not, or were not understood by them.
Where it comes from
Shared with quisquis and quiscoskos; from Latin quisquis (“whosoever”) or by reduplication of Latin quis (“of what kind”).
Adapted from the Wiktionary entry quisquous (CC BY-SA 4.0).