[en-dahrk] 
| (of a primary xylem or root) developing from the periphery; having the oldest cells closest to the core. |
| end·arch (ěn'därk') adj. Of or relating to a xylem whose early development is toward the center. [end(o)- + Greek arkhē, beginning (from arkhein, to begin, rule).] |
dɑrk