σίγνον
From LSJ
Βοηθὸς ἴσθι τοῖς καλῶς εἰργασμένοις → Bonis inceptis addas auxilium tuum → Erweise dich als Helfer dem, was gut getan
English (LSJ)
τό,= Lat.
A signum, statue, IG14.971 (Rome, iii A.D.). II pl., the place where the standards were set up in a camp, used as a store, prison, etc., PLond.2.413.12 (iv A.D.), PLond.ined.2487.18 (iv A.D.).