Epileptic
From BiblePortal Wikipedia
Vine's Expository Dictionary of NT Words [1]
1: Σεληνιάζομαι (Strong'S #4583 — Verb — seleniazo — sel-ay-nee-ad'-zom-ahee )
lit., "to be moon struck" (from selene, "the moon"), is used in the Passive Voice with Active significance, RV, "epileptic," for AV, "lunatick," Matthew 4:24; 17:15; the corresponding English word is "lunatic." Epilepsy was supposed to be influenced by the moon.
Webster's Dictionary [2]
(1): ( a.) Pertaining to, affected with, or of the nature of, epilepsy.
(2): ( n.) One affected with epilepsy.
(3): ( n.) A medicine for the cure of epilepsy.