μυῤῥίτης
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
German (Pape)
[Seite 221] ὁ, von der Farbe od. dem Geruche des Myrthenfastes, bei Plin. 37, 10, 63 ein Edelstein.