Fär’thing, n.

noun

n. [A-S. feordhung and feordhling, from feordha, the fourth, from feower, feower, four.]

  1. The fourth of a penny; a small copper coin of Great Britain, being the fourth of a penny in value, equal to half a cent in U. S. currency.
  2. A very small amount or value. [Obs.] “No farthing of grease.” Chaucer.
  3. A division of land. [Obs.]

Thirty acres make a farthing-land; nine farthings a Cornish acre; and four Cornish acres a knight’s fee. Carew.