πληροσέληνος
From LSJ
ἵνα οὖν μηδ' ἐν τούτῳ δῷ αὐτοῖς λαβήν (Photius, Fragments on the Epistle to the Romans 483.26) → so that he doesn't give them even here a handle (= an opportunity for refutation)
English (LSJ)
ον,
A full, of the moon, Μήνη Man.2.490; σελήνη Sch.Ar.Nu.750; ἡμέρα Suid. s.v. πλησιφαής; τὸ π. full moon, Lyd. Mens.3.10.
German (Pape)
[Seite 634] vollmondig, Eust.; τὸ πλ., Vollmond, Man. 2, 490.