Despite its looks, the English word ‘heart’ is etymologically related to ‘cardio’, ‘cordial’, ‘to record’, ‘courage’, and even Spanish ‘corazón’.

Through Germanic, Greek, and Latin, these words all derive from a Proto-Indo-European root meaning “heart”.

In Germanic, sound changes that are called Grimm’s Law radically changed its consonants.

Click my new infographic to learn how: