πῶρος

Etymology
It has. According to Haupt, it was borrowed from ; Furnée connects in, suggesting a  origin. Likely a Wanderwort also found in 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬. An ancient Anatolian or Mesopotamian origin is probable, with as the likely source.

Noun

 * 1) tuff
 * 2) kind of marble used in building
 * 3) stalactite in caverns
 * 4)  stone in the bladder