κιβωτός
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
English (LSJ)
ἡ,
A box, chest, coffer, Hecat.368 J., Simon.239, Eup.228.4, Ar.Eq.1000, V.1056 (anap.), Lys.12.10, Thphr.Char.18.4, IG22.1388.73; κ. δίθυρος, τετράθυρος, ib.12.330; ἱερά, δημοσία κ., Inscr.Délos 442 A 2,75 (ii B.C.); Noah's ark, LXX Ge.6.14; the ark of Moses, ib.Ex.25.9(10), al.; πέπτωκεν εἰς κ. has been deposited in the archives, UPZ 126 (iii B.C.), etc.; opp. κίστη (q.v.). (Perh. a v.l. in Il.24.228, cf. Sch.adloc. Suid. cites κίβος as the radic. form.)