κοίλανσις
From LSJ
English (LSJ)
εως, ἡ, hollowing, Alex.Aphr.in SE105.10, Paul.Aeg.6.90, Eust.159.35 (pl.).
German (Pape)
[Seite 1466] ἡ, das Aushöhlen, Eust. 120, 41.
Greek (Liddell-Scott)
κοίλανσις: -εως, ἡ, τὸ κοιλαίνειν, ποιεῖν τι κοῖλον, μνημονεύεται ἐκ τοῦ Εὐστ.