an is a particle that marks contingency or indefinite reference within a clause.

As a particle, an marks a clause as contingent or indefinite: the supplied verses show it in conditional statements and in open-ended expressions such as whoever, whatever, and whenever.

1. Marks contingency or indefinite reference · dominant

   The supplied morphology identifies both attested forms as Particle. In 1 Corinthians 2:8 the APB renders a conditional statement, "for if they had known it they would not have crucified the Lord of glory," while in John 14:13 it renders an open-ended request, "Whatever you ask in my name, I will do it."

   1 Corinthians 2:8John 14:13Acts 18:14John 11:21Ephesians 6:81 John 2:5

In the Anselm Project Bible: The APB often expresses the clause with "if," "whoever," or "whatever," but it is a whole-verse translation; in some clauses the particle's contribution is absorbed into the English phrasing.