πιαστήριος
From LSJ
ἐν δὲ μηνὸς πρῶτον τύχεν ἆμαρ → it chanced to be on the first of the month, that day fell on the first of the month
English (LSJ)
ον, A = πιεστήριος (q.v.).
German (Pape)
[Seite 612] = πιεστήριος, Sp.
Greek (Liddell-Scott)
πιαστήριος: -ον, = πιεστήριος, ὃ ἴδε.