Hard to imagine today, but the grandmasters of Arabic grammar were superstars during their lifetime. Here is a list of the TOP 5 Arabic grammarians of all time.
What role did the Bedouins play in creating Arabic grammar? A big one. There are many anecdotes about scholars who went deep into the desert to find Bedouins who could answer their questions about Arabic grammar.
A list of the best Android and iOS apps and websites for translating Arabic words into English. Most of them are free.
Actually, I don't think that anybody has ever counted the number of Arabic roots. Mathematically: 21,952 roots. Practically, you get 6,332 roots.