FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

phulakterion φυλακτήριον — foo-lak-tay'-ree-on — neuter of a derivative of 5442; a guard-case, i.e. "phylactery" for wearing slips of Scripture texts:-- phylactery.

see GREEK for 5442