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phy·lac·ter·y

(fĭ-lăktə-rē)

n. pl. phy·lac·ter·ies
Judaism

Either of two small leather boxes, each containing strips of parchment inscribed with quotations from the Hebrew Scriptures, traditionally worn strapped to the forehead and the left arm by Jewish men during morning worship, except on the Sabbath and holidays.

[Middle English filaterie, philacterie, from Old French filatiere, from Late Latin phylactērium, from Greek phulaktērion, guard's post, safeguard, phylactery, from phulaktēr, guard, from phulax, phulak-.]

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phylactery

Indo-European & Semitic Roots Appendices

Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

Indo-European Roots

Semitic Roots

The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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