ὀστοθήκη
From LSJ
εἰ πάλιν ἔστι γενέσθαι, ὕπνος σ' ἔ̣χει οὐκ ἐπὶ δηρόν, εἰ δ' οὐκ ἔστιν πάλιν ἐλθεῖν, αἰώ̣νιος ὕπνος → if it is possible for you to be born again, you will fall asleep, briefly; if it is not possible to return — it would be eternal sleep
English (LSJ)
ἡ,
A receptacle for bones, sarcophagus, Lyc.367, Com.Adesp.329, IPE12.542.3 (Chersonese, i A. D.), CIG2728, 2731 (Stratonicea).