Name on the cover of "The Fountainhead"

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Possible Answers: AYN.

Random information on the term “AYN”:

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Ayin or Ayn is the sixteenth letter of the Semitic abjads, including Phoenician ʿayin , Hebrew ʿayin ע‎, Aramaic ʿē , Syriac ʿē ܥ, and Arabic ʿayn ع (where it is eighteenth in abjadi order only). ﻉ comes twenty‐first in the Persian alphabet and eighteenth in the hijaʾi order of Arabic.

The ʿayin glyph in these various languages represents or used to represent a voiced pharyngeal fricative (/ʕ/) or a similarly articulated consonant, of which there is not even an approximate substitute sound in English. There are many possible transliterations.

The letter name is derived from Proto-Semitic *ʿayn- “eye”, and the Phoenician letter had an eye-shape, ultimately derived from the ı͗r hieroglyph

To this day, ʿayin in Hebrew, Arabic, and Amharic means “eye” and “spring” (ʿayno in Neo-Aramaic) but in Maltese it additionally also means “aid”.

The Phoenician letter gave rise to the Greek Ο, Latin O, and Cyrillic О, all representing vowels.

The sound represented by ayin is common to much of the Afroasiatic language family, such as in the Egyptian language, the Cushitic languages and the Semitic languages. Some scholars believe that the sound in Proto-Indo-European transcribed h3 was similar, but that is debatable. (See Laryngeal theory.)

AYN on Wikipedia