κεφαλιόω (Rec. -αιόω, [so in LXX: Sir.32:8 *]), -ῶ (< κεφάλιον, dimin. of κεφαλή, in late writers) __1. (-αιόω) to sum up (Thuc., al.). __2. (In NT, only) to wound on the head: Mrk.12:4.† (AS)
Thayer:
1) to bring under headings, to sum up, to summarise 2) to smite or wound in the head, to smite on the cheek
κεφαλαιόω
kephalaioō
kef-al-ahee-o'-o
From the same as G2774; (specifically) to strikeonthehead