The capital letters of the modern greek alphabet is almost the same as lonic alphabet. Lower case letters came to be in after 800 AD. People would usually write horizontal lines and write, right to left. In 500 bc changed the direction of writing to horizontal lines from left to right.
The ancestry of the Roman alphabet from Kemetic (Ancient Egyptian hieroglyphs) to Semetic (early Hebrew) to Phoenician to Greek. (J, U, and W were late additions to the Roman alphabet.) The Ancient Egyptian name for their own writing system was "Metu Neter" - meaning divine speech. "Hieroglyphs" is a Greek word - "hieros" means "sacred", "glyph" means writing.
~The Greek alphabet, the script of English today, is based on the Kemetic alphabet of Ancient Egypt/Kemet and the Upper Nile Valley of Ancient Africa. Ancient Egyptians called their words MDW NTR, or ‘Metu Neter,” which means divine speech. The Greeks called it, ‘hieroglyphics"- a Greek word. The etymology of hieroglyphics is sacred (hieros) carvings (glyph) ~*