What is "samekh"

alt. The fifteenth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others). n. The fifteenth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others).

n. the 15th letter of the Hebrew alphabet

Samekh or Simketh is the fifteenth letter of many Semitic abjads, including Phoenician Ṣāmek , Hebrew ˈSamekh , Aramaic Semkath , Syriac Semkaṯ ܣ, representing . The Arabic alphabet, however, uses a letter based on Phoenician Šīn to represent (see there); however, that glyph takes Samekh's place in the traditional Abjadi order of the Arabic alphabet.

The Phoenician letter gave rise to the Greek Xi (Ξ, ξ).