arete (n.1) Look up arete at
"sharp crest of a mountain," 1862, from Swiss French arête, Old French areste, from Latin arista "ear of grain, the top of an ear," in Medieval Latin also "backbone of a fish; exterior angle of a house," which perhaps is of Etruscan origin. The figure is of something jagged.
arete (n.2) Look up arete at
important concept in Greek philosophy, "rank, nobility, moral virtue, excellence," especially of manly qualities; literally "that which is good," a word of uncertain origin.