proficiscuntur
proficiscuntur is a Latin form of proficiscor, meaning “set out, depart”. It is the 3rd person plural present passive indicative.
It can also be a form of proficisco, “(proficiscor) set out, depart, start”.
Found 42 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 5.31.6: Prima luce sic ex castris proficiscuntur, ut quibus esset persuasum non ab hoste, sed ab homine amicissimo Ambiorige consilium datum, longissimo agmine maximisque impedimentis.
Pseudo-Caesar, De Bello Alexandrino 25: … d ubi Caesari nuntiatum est, universam classem iubet expediri atque instrui. Praeficit huic Tiberium Neronem. Proficiscuntur in ea classe Rhodiae naves atque in his Euphranor, sine quo nulla umquam dimicatio maritima, nulla etiam paru …
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.