Farthing - Vine's Expository Dictionary of New Testament Words
Farthing[ 1,,G787, assarion ]
a diminutive of the Latin as, was one-tenth of a drachma, or one-sixteenth of a Roman denarius, i.e., about three farthings, Matthew 10:29; Luke 12:6.
[ 2,,G2835, kodrantes ]
was the Latin quadrans, the fourth part of an as" (See No. 1), about two thirds of a farthing, Matthew 5:26; Mark 12:42.