[Unam Sanctam]

"All successive alphabets in the ancient world, including the Greek one, derive from this ancestor at Tel Zayit," he said.

As I understand, the Greek alphabet descends from the Phoenician, not the Hebrew, so the Greek and the Hebrew would be more sister alphabets than mother/daughter.

[S0122017]

Greek alphabet descended from hebrew alphabet.

That is a known fact. It was Hebrews that had extensive contact with greek, not phoenicians.