epistolium
From LSJ
μνήσθητι τίς μου ἡ ὑπόστασις → remember how short my time is
Latin > English (Lewis & Short)
ĕpīstŏlĭum: ii, n., = ἐπιστόλιον,
I a short letter, note, Cat. 68, 2.
Latin > French (Gaffiot 2016)
ĕpistŏlĭum,¹⁶ ĭī, n. (ἐπιστόλιον), courte lettre, billet : Catul. 68, 2
