1) Greek letter
Found on
https://www.crosswordclues.com/clue/koppa
[Cyrillic] Koppa (Ҁ ҁ; italics: Ҁ ҁ) is an archaic letter-like numeral character of the Cyrillic script. Its form (and modern name) are derived from the Greek letter Koppa (Ϙ ϙ). Koppa was used as a numeral character in oldest Cyrillic manuscripts, representing value 90 (exactly as its Greek origin did). It was replaced relatively ear...
Found on
http://en.wikipedia.org/wiki/Koppa_(Cyrillic)
[letter] Koppa or Qoppa (Ϙ, as a modern numeral sign: {GrGl|Koppa lamedh-shaped}) is a letter that was used in early forms of the Greek alphabet, derived from Phoenician qoph . It was originally used to denote the /k/ sound, but dropped out of use as an alphabetic character in favor of Kappa (Κ). It has remained in use as a numeral symbol...
Found on
http://en.wikipedia.org/wiki/Koppa_(letter)
a letter (&Koppa;, &koppa;) of some early Greek alphabets, occurring between pi and rho and equivalent to Latin Q: later superseded by kappa except for its use as a numeral for 90.
Found on
https://www.infoplease.com/dictionary/koppa
No exact match found.
