(in prescriptions) filter.
Origin of filt.
From the New Latin word filtrā
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for filt
The moment I seen yez a qua'ar faaling come over me, and I filt I must come ashore and shake you by the hand.Adrift in the Wilds|Edward S. Ellis