Emily Dickinson Lexicon

FAR-THER, a. [comp. Sax. forther, from forth, from the root of faran, to go; D. verder. Farther is corrupt orthography. The genuine word is further.]

1. More remote; more distant than something else. Let me add a farther truth. – Dryden.
2. Longer; tending to a greater distance. Before our farther way the fates allow. – Dryden.