Where does “σαββᾰτῐ́ζω” come from?

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

σαββᾰτῐ́ζω (Ancient Greek): I keep the Sabbath, I observe the Sabbath, I...