Origin: Fr < L pastillus, little roll, lozenge < base of pascere, to feed: see food
See pastille in American Heritage Dictionary 4
Origin: , from Spanish pastilla, perfume pellet
Origin: , and Italian pastillo, pastille
Origin: , both from Latin pāstillus, little loaf, medicine tablet
Origin: , diminutive of pānis, bread; see pā- in Indo-European roots.
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