Allah apparently is the arabic version of yahweh, also used by arab christians
If one takes an atheistic philological(linguistic) approach,like in Allegro's 'The sacred mushroom and the Cross',things could be entirely different,like
'Jesus' was a code word for magic mushroom users in the middle east.Jesus the person didnt exist
'resurrection' means re-erection of penis after semen discharge.
'David' as in king david means a man with a big kock.
'Yahweh' was the husband of an ancient fertility goddess.
Being said, sure arabs had their own role in ancient fertility cults but it was unlikely 'Allah' came directly from an ancient pagan religion.
Religions often are bent to fit one's alignment.Here's a vicious anti-christian statement twitted by a hindu but sure he wouldnt use the same tune on his caste-ridden religion.