Word Study
troche
CIDE DICTIONARY
troche, n. [Gr. trocho`s anything round or circular, a wheel, properly, a runner, fr. tre`chein to run. Cf. Trochee.].
A medicinal tablet or lozenge; strictly, one of circular form. [1913 Webster]
OXFORD DICTIONARY
troche, n. a small usu. circular medicated tablet or lozenge.
Etymology
obs. trochisk f. OF trochisque f. LL trochiscus f. Gk trokhiskos dimin. of trokhos wheel
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