An Etymological Dictionary of Astronomy and Astrophysics

1. A branching treelike figure produced on or in a mineral by a foreign mineral.
   

   2. A crystallized → arborescent form.
      

   3. Any of the usually branching protoplasmic processes that conduct impulses toward the body of a neuron (Merriam-Webster.com).

Etymology (EN): From Gk. dendrites “of or pertaining to a tree,” from dendron “tree,” cognate with Pers. deraxt, variant dâr, → tree.

Etymology (PE): Šâxzâré, from šâxzâr, from šâxsâr
“full of branches,” from šâx, šâxé, → branch, + suffix -zâr denoting profusion, and abundance, as in kârzâr “a field of battle; combat” šurezâr “unfertile, salty ground; nitrous earth,” xoškzâr “arid land,” and so forth.