ἐπιπλαστέον
From LSJ
νῆα μὲν οἵ γε μέλαιναν ἐπ' ἠπείροιο ἔρυσσαν ὑψοῦ ἐπὶ ψαμάθοις, ὑπὸ δ' ἕρματα μακρὰ τάνυσσαν → they pushed the black ship up over the sand onto dry land and placed long beams under her
English (LSJ)
A one must plaster over, Gp.16.18.3.
Greek (Liddell-Scott)
ἐπιπλαστέον: ῥημ. ἐπίθ. τοῦ ἐπιπλάσσω, δεῖ ἐπιπλάσσειν, Γεωπ. 16. 18.