Allah has the same semitic root and meaning as Hebrew Elohim. It means God/Lord.
Just because it also was used for other pagan deities doesn’t change the fact that it was used also by Arabic Christians and Jews.
“Just because it also was used for other pagan deities doesn’t change the fact that it was used also by Arabic Christians and Jews.”
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If they didn’t know better or were in fear of having their heads removed from their bodies if they didn’t, it’s understandable.
The same way the English word ‘god’ is used when describing any kind of deity whether the god of the Bible or any pagan figure.