טוֹטָפוֹת towphaphah

Exodus 13:16 NASB

So it shall serve as a sign on your hand and as phylacteries on your forehead, for with a powerful hand the LORD brought us out of Egypt."

Deu 6:8

"You shall bind them as a sign on your hand and they shall be as frontals on your forehead.

Deu 11:18

"You shall therefore impress these words of mine on your heart and on your soul; and you shall bind them as a sign on your hand, and they shall be as frontals on your forehead.

PHYLACTERY

either of two small square leather boxes containing slips inscribed with scriptural passages and traditionally worn on the left arm and on the head by observant Jewish men and especially adherents of Orthodox Judaism during morning weekday prayers

Origin:

Middle English philaterie, from Medieval Latin philaterium, alteration of Late Latin phylacterium, from Greek phylaktērion amulet, phylactery, from phylassein to guard, from phylak-, phylax guard First Known Use: 14th century

From:
Merriam Webster