κεφαλαργία
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
ἡ, later form for κεφαλαλγία, Luc. Jud.Voc.4:— hence -αργέω, PMag.Par.1.136;
A give one a headache, Hsch. s.v. ὠτοκοπεῖ.
German (Pape)
[Seite 1428] ἡ, att. für κεφαλαλγία, Greg. Cor. 158; vgl. Luc. Iud. voc. 4.