
The isolated form of the letter.
'' () is one of the six letters the
Arabic alphabet added to the twenty-two inherited from the
Phoenician alphabet (the others being , , , , ). It represents the
voiceless dental fricative (). In name and shape, it is a variant of .
Common Semitic perspective
The choice of the letter as the base for this letter was not due to etymology (see
History of the Arabic alphabet). (Rather, obviously, it was chosen due to phonetic similarity.) For other Semitic cognates of the phoneme // see
Proto-Semitic language#Sound changes between Proto-Semitic and the daughter languages.
The
South Arabian alphabet retained a symbol for //.
See also
★
Arabic phonology