ἐπικαλέω

to put a name upon, to surname, to permit one's self to be surnamed, to be named after someone, to call something to one, to cry out upon or against one, to charge something to one as a crime or reproach, to summon one on any charge, prosecute one for a crime, to blame one for, accuse one of, to invoke, to call upon for one's self, in one's behalf, any one as a helper, as my witness, as my judge, to appeal unto, to call upon by pronouncing the name of Jehovah, an expression finding its explanation in the fact that prayers addressed to God ordinarily began with an invocation of the divine name