mensula
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
mensŭla: ae, f.
dim. id.,
I a little table (ante-class. and post-Aug.), Plaut. Most. 1, 3, 150; Petr. 136; App. M. 2, 11, p. 119.