copiarum
copiarum is a Latin form of copia, meaning “supply, abundance; (pl.) troops, resources”. It is the genitive plural feminine noun.
Found 134 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.12.2: Ubi per exploratores Caesar certior factus est tres iam partes copiarum Helvetios id flumen traduxisse, quartam vero partem citra flumen Ararim reliquam esse, de tertia vigilia cum …
Plautus, Rudens 3.3.664: Núnc id est cum ómnium cópiarum átque opum,
All forms of copia (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.