dero

(verb 3rd sg fut ind pass) "Shall be beaten" is from dero, which means "to flay" or "to skin" someone, though in later use it came to mean "to cudgel" or "to thrash." -- The Greek verb translated as "shall be beaten" means "to flay" or "to skin" someone, though in later use it came to mean "to cudgel" or "to thrash." Jesus seems to use it to mean being "flogged".