πλυντρίς
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)
ίδος, ἡ, = foreg., Ar.Fr.841. II πλυντρίς (sc. γῆ), ἡ, a kind of fuller's earth, Menestor ap. Thphr.CP2.4.3, Nicoch.4.
German (Pape)
[Seite 639] ίδος, ἡ, 1) = Vorigem. – 2) πλυντρὶς γῆ, eine Erdart, die zum Waschen, Reinigen schmutziger Kleider gebraucht wird; Theophr.; Nicochar. com. bei Poll. 7, 40.