ὀπή

Etymology
From the radical *ὀπ- (from ), the same root of.

Noun

 * 1) opening, hole, hollow
 * 2)  orifice in the body
 * 3) hole in the roof, serving as a chimney
 * 4)  hole in the frieze left to receive the beam-ends
 * 5) sight
 * 1) sight