הֵיכָל
From LSJ
ὁ αὐτὸς ἔφησε τὸν μὲν ὕπνον ὀλιγοχρόνιον θάνατον, τὸν δὲ θάνατον πολυχρόνιον ὕπνον → Plato said that sleep was a short-lived death but death was a long-lived sleep
English (Strong)
probably from יָכֹל (in the sense of capacity); a large public building, such as a palace or temple: palace, temple.