G4267–προγινώσκω–proginōskō

having known me from the first, if they are willing to testify, that after the strictest sect of our religion I lived a Pharisee.

προγινώσκοντές proginōskontes “knowing”

For whom he foreknew, he also predestined to be conformed to the image of his Son, that he might be the firstborn among many brothers.

προέγνω, proegnō “He foreknew,”

God didn't reject his people, which he foreknew. Or don't you know what the Scripture says about Elijah? How he pleads with God against Israel:

προέγνω. proegnō “He foreknew.”

who was foreknown indeed before the foundation of the world, but was revealed at the end of times for your sake,

προεγνωσμένου proegnōsmenou “foreknown”

You therefore, beloved, knowing these things beforehand, beware lest, being carried away with the error of the wicked, you fall from your own steadfastness.

προγινώσκοντες proginōskontes “knowing [this] beforehand”