C16: from French trochisque, from Late Latin trochiscus, from Greek trokhiskos little wheel, from trokhos wheel
troche in American English
(ˈtroʊki)
noun
a small, usually round, medicinal lozenge
Word origin
altered < trochisk < Fr trochisque < LL trochiscus, pill, small ball < Gr trochiskos, small wheel, lozenge < trochos, wheel < trechein, to run < IE base *dhregh-, to run > OIr droch, wheel