Where does “σαββατίζω” come from?

σαββατίζω (Ancient Greek) comes from Ancient Greek σάββατον, from Aramaic שַׁבְּתָא, from Hebrew שַׁבָּת, from Akkadian šapattum — 15.

σαββατίζω (Ancient Greek): I keep the Sabbath; I Sabbatize, I keep the...