"kundo berbere" (ቁንዶ በርበሬ) refers to black pepper. It's the Ethiopian name for the spice derived from the Piper nigrum plant. While "berbere" alone in Ethiopian cuisine generally refers to a spice blend, "kundo berbere" specifically means the black pepper spice itself.
Kundo Berbere | የተፈጨ ቁንዶ በርበሬ - Black Pepper (Powder)