ἀνθρακίζω
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)
A make charcoal of, roast or toast, Ar.Pax1136; carbonize, PHolm.6.4.
German (Pape)
[Seite 233] zu Kohlen brennen, Ar. Pax 1102. Bei Sp. intrans., schwarz wie eine Kohle aussehen.