ὑποκεφάλαιον
From LSJ
κρεῖττον εἶναι φιλοσόφως ἀποθανεῖν ἢ ἀφιλοσόφως ζῆν → that it is better to die in manner befitting a philosopher than to live unphilosophically
English (LSJ)
[φᾰ], τό,
A pillow, cushion, σκύτινον ὑ. Hp.Fract.8, Art.30, cf. Michel 832.23 (Samos, iv B. C.), Sor.1.67, Aret.CA1.1; cf. προσκεφάλαιον.