κρόσσαι
From LSJ
Ὅσον ζῇς, φαίνου, μηδὲν ὅλως σὺ λυποῦ· πρὸς ὀλίγον ἐστὶ τὸ ζῆν, τὸ τέλος ὁ χρόνος ἀπαιτεῖ. → While you live, shine; have no grief at all; life exists only for a short while, and time demands its toll.
English (LSJ)
ῶν, αἱ, prob. =
A stepped copings of parapets, κρόσσας μὲν πύργων ἔρυον καὶ ἔρειπον ἐπάλξεις Il.12.258; κροσσάων ἐπέβαινον ib.444 (expld. by Aristarch. as scaling ladders). 2 courses, steps of the Pyramids, Hdt.2.125.