plural of rtl=yes (tefillah), used in the Rabbinic literature to individuate a single phylactery. Jastrow connects rtl=yes with the Syriac rtl=yes ("attachments" or "hangings"), in which case tefillin would represent the Aramaic equivalent of rtl=yes (totepheth). Its resemblance to Hebrew ("prayer") is wholly coincidental.

The English word "phylactery"