H2820
חשׂך
חָשַׂך ‎ châśak
khaw-sak‘
A prim root; to restrain or (reflexively) refrain; by implication to refuse, spare, preserve; also (by interchange with 2821 to observe: - assuage, X darken, forbear, hinder, hold back, keep (back), punish, refrain, reserve, spare, withhold.