κοίλανσις
From LSJ
Ὁ κόσμος σκηνή, ὁ βίος πάροδος· ἦλθες, εἶδες, ἀπῆλθες → The world is a stage, life is your entrance: you came, you saw, you departed (Democritus fr. 115 D-K)
English (LSJ)
εως, ἡ,
A hollowing, Alex.Aphr.in SE105.10, Paul.Aeg.6.90, Eust.159.35 (pl.).
German (Pape)
[Seite 1466] ἡ, das Aushöhlen, Eust. 120, 41.