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castellum

[ ka-stel-uhm ]
/ kæˈstɛl əm /
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noun, plural cas·tel·li [ka-stel-ahy]. /kæˈstɛl aɪ/. Archaeology.
a small isolated fortress, or one of a series of such fortresses, of the ancient Romans.
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Origin of castellum

<Latin: fortified settlement, fortress <*casterlom<*castṛlom<*castrelom, equivalent to castr(a) (neuter plural) fortified camp + *-elom diminutive suffix; see -ule, -elle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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