ȧb is connected with the sense of lively motion

ȧb, like the Greek καρδία, κραδίη, (δία τὸ ἀπαύστως σαλεύεσθαι) with κραδάω and κραδαίνω. Other Indo-European names, our own heart, the Latin cor (cord-is), the Sanskrit hṛd, and the corresponding Slavonic and Lithuanian names have the same origin.

From the orthography of

it seems to have been connected in popular opinion with its position in the anterior part of the body. And from various uses of the word it appears to denote not merely the heart, but the heart with all that is attached to it, especially the lungs which embrace it. It is for instance to the