Klinker

Etymology
, which pertains to the cognate of 🇨🇬, from the clear sound the brick makes when struck against.

Noun

 * 1) clinker very hard brick

Usage notes

 * While 🇨🇬 refers chiefly to bricks used for pavement, the German word does not have this connotation. (Brick pavements are relatively rare in German-speaking Europe, except in parts of northern Germany.)