κηλώνιον
From LSJ
τίς δ' οἶδεν εἰ τὸ ζῆν μέν ἐστι κατθανεῖν, τὸ κατθανεῖν δὲ ζῆν κάτω νομίζεται → who knows if life is death, and if in the underworld death is considered life
German (Pape)
[Seite 1431] τό, = κηλώνειον; κηλωνίοισιν ἀρδευόμενος Her. 1, 193, v. l. κηλωνηΐοισιν.