ἐπιπέδωσις
From LSJ
Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
English (LSJ)
-εως, ἡ, formation of a plane surface, Iamb.in Nic.p.59 P.
Greek (Liddell-Scott)
ἐπιπέδωσις: ἡ, τὸ ἐπιπεδοῦντι, Ἰάμβλ. ἐν Νικομ. Ἀριθ. σ. 83Β.
German (Pape)
ἡ, das zu einer Ebene Machen, als ebene Figur Darstellen, Iambl. zu Nicom.