praefecto
praefecto is a Latin form of praeficio, meaning “put in charge of, place in command (+acc. and dat.); (praefectus) commander, prefect”. It is the perfect passive participle ablative singular masculine.
Found 120 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 8.12.4: Quo facto perturbati celerius quam consuetudo fert equestris proeli se receperunt amisso Vertisco, principe civitatis, praefecto equitum;
All forms of praeficio (conjugation 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.