κοιλῶπις
From LSJ
δρυὸς πεσούσης πᾶς ἀνὴρ ξυλεύεται → when the oak falls, everyone cuts wood | when an oak has fallen, every man gathers wood | on the fall of an oak, every man gathers wood | when an oak has fallen, every man becomes a woodcutter | one takes advantage of somebody who has lost his strength | one takes advantage of somebody who has lost his power | when the tree is fallen, every man goes to it with his hatchet
German (Pape)
[Seite 1467] ιδος, ἡ, fem. zum Folgdn; πέτρα Antip. Sid. 27 (VI, 219).