Where does “sānctificō” come from?

sānctificō (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.

sānctificō (Latin): to consecrate; make holy; set aside for sacred or ceremonial use