Where does “sanctuarium” come from?

sanctuarium (Late Latin) comes from Latin sānctus, from Latin Iacobus, from Ancient Greek Ἰάκωβος, from Ancient Greek Ἰακώβ, from Hebrew יַעֲקֹב, from Hebrew עָקֵב — heel of the foot; heel.

sanctuarium (Late Latin): a sacred place, a shrine, a private cabinet, in...