Where does “jacasser” come from?

jacasser (French) comes from French jacques, from Latin Iacobus, from Ancient Greek Ἰάκωβος, from Ancient Greek Ἰακώβ, from Hebrew יַעֲקֹב, from Hebrew עָקֵב — heel of the foot; heel.

jacasser (French): to caw; to chatter, to gossip, to jabber