What is proto-sinaitic?
Definition of proto-Sinaitic : of or relating to an early Semitic alphabet known only from fragmentary inscriptions from Sarabit el Khadem in the Sinai peninsula and thought to date from about 1500 b.c. How many letters are in the proto-sinaitic alphabet? The Proto-Sinaitic Letter (c.a. 1800 BC) It is commonly believed that it was developed…