Perfect passive participle of exerceō ( “ to occupy oneself, oversee; work at, practice, exercise ” ) , from ex- ( “ out of ” ) + arceō ( “ to ward off, protect, guard ” ) , from Proto-Italic * arkeō , from Proto-Indo-European *h₂orké-ye-ti , from Proto-Indo-European * h₂erk- ( “ to protect, guard ” ) .
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Lewis’s Elementary Latin Dictionary
1890 American Book Company edition; pinned Perseus XML digitization- exercitusLatin · n5647
exercitus adj. Source etymology: P. of exerceo , disciplined , experienced, versed : miles: ad omne flagitium, Ta.: consuetudine velare odium, Ta.: militiā, Ta.: eloquentia, of a practised speaker , Ta. — Vexed, harassed
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exercitus ūs (dat. ū, Cs., L.; gen plur. tūm, L.) Source etymology: exerceo , a disciplined body of men, army : terrestris, L.: tiro, L.: pedester, N.: exercitum dimittere, T.: comparare: parare, S.: scribere, L.: contra
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exercitus
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From exerceō ( “ to occupy oneself, oversee; work at, practice, exercise ” ) + -tus ( action noun forming suffix ) .
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