Is it farther or further?
early 14c., small plant with purplish-blue flowers, from Old French violette, diminutive of viole "violet," from Latin viola, cognate with Greek ion (see iodine), probably from a pre-Indo-European Mediterranean language. The color sense (late 14c.) developed from the flower.
violet vi·o·let (vī'ə-lĭt)
The hue of the short-wave end of the visible spectrum, evoked in the human observer by radiant energy with wavelengths of approximately 380 to 420 nanometers.
Any of a group of colors, reddish-blue in hue, that may vary in lightness and saturation.