cephalalgicadj.n.

/sɛfəˈlaldʒɪk/Etymology: < cephalalgy n. + -ic suffix.
B. n.the world > health and disease > healing > medicines or physic > medicines for specific purpose > analgesic > [noun] > for headache
1726 J. Swift II. iii. vi. 83 Administer to each of them..Cephalalgicks.
This entry has not yet been fully updated (first published 1889; most recently modified version published online June 2018).