profecti
profecti is a Latin form of proficiscor, meaning “set out, depart”. It is the perfect passive participle nominative plural masculine or perfect passive participle genitive singular neuter.
It can also be a form of proficio, “make progress, advance; accomplish, be useful”.
Found 213 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.28.3: Helvetios, Tulingos, Latobrigos in fines suos, unde erant profecti, reverti iussit, et, quod omnibus frugibus amissis domi nihil erat quo famem tolerarent, Allobrogibus imperav …
Phaedrus, Fabulae 4.18.6: Profecti sunt legati non celeri pede.
All forms of proficiscor (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.