praemostro
From LSJ
Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
Latin > English (Lewis & Short)
praemostro: old form of praemonstro, Plaut. Trin. 341.
Latin > French (Gaffiot 2016)
præmostrō, āre, c. præmonstro : Pl. *Trin. 342.
Latin > German (Georges)
praemōstro, s. prae-mōnstro.