Where does “abonder” come from?

abonder (French) comes from Old French abonder, from Latin abundō, from Latin undō, from Latin unda, from Proto-Indo-European wódr̥, from Proto-Indo-European wed-, from Proto-Indo-European wey- — to wither; fade; to move, go ahead; to be strong;...

abonder (French): to be found in large amounts; to abound; to...