κεφᾰλαλγ-ής · kephalalg-ēs — LSJ
suffering from headache, Plu. Symp. 2.147f, Ruf. ap. Orib. 7.26.129, 143.
Act., causing headache, X. An. 2.3.15, Thphr. HP 8.4.6, Diph.Siph. ap. Ath. 2.54a, Ph. 1.390, 2.99, Plu. Sanit. 2.133c, Gal. 17(2).818, etc. (-αλγός is a common f.l.).