ὀξύς

Etymology
From the.

Adjective

 * 1) sharp, pointed (especially of swords, axes, etc.)
 * 2) (of the senses): sharp, keen
 * (of sight): dazzling, bright
 * (of sound): shrill, piercing, high, sharp
 * (of taste): sharp, pungent, acid
 * 1) quick, hasty, swift
 * 2) sharp, clever