. "Eta (uppercase \u0397, lowercase \u03B7; Greek: \u0389\u03C4\u03B1 H\u0113ta) is the seventh letter of the Greek alphabet. Originally denoting a consonant /h/, its sound value in the classical Attic dialect of Ancient Greek was a long vowel [\u025B\u02D0], raised to [i] in medieval Greek, a process known as iotacism.In the system of Greek numerals it has a value of 8. It was derived from the Phoenician letter heth 20px. Letters that arose from Eta include the Latin H and the Cyrillic letter \u0418."@en . . .