Complex sentence: The source of the word "kern" is French "carne"projecting angle, quill of a pen ", hence"corner of a type "← Latin"cardo ","cardinis "hinge".
Split into simpler sentences: The source of the word "kern" is form the French word "carne", meaning "projecting angle, quill of a pen". The French term originated from the latin Latin "cardo", "cardinis", meaning "hinge".