κεφαλαργία
From LSJ
διαπασῶν, διατεσσάρων, διαπέντε → through all, through four, through five (Pythagorean musical terms)
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.