Is it farther or further?
1794, from Late Latin granulum "granule," diminutive of Latin granum "grain, seed" (see corn (n.1)) + -ar. Replaced granulous (late 14c.). Related: Granularity.
granular gran·u·lar (grān'yə-lər)adj.
Composed or appearing to be composed of granules or grains.
Relating to or containing particles having a strong affinity for nuclear stains, as in certain bacteria.