Where does “baboul” come from?

baboul (French) comes from Hindi बबूल, from Sanskrit वव्वोल — acacia.

Ancestry of “baboul”, step by step

Step	Language	Word	Meaning
1	Hindi	बबूल	the babul tree, Vachellia nilotica subsp. indica
2	Sanskrit	वव्वोल	acacia

baboul — Etymology, Origin & Word History | Etymology Explorer