לֵבָב

From LSJ

ὃν οἱ θεοὶ φιλοῦσιν ἀποθνήσκει νέος → he whom the gods love dies young, only the good die young

Source

English (Strong)

from לָבַב; the heart (as the most interior organ); used also like לֵב: + bethink themselves, breast, comfortably, courage, ((faint), (tender-)heart((-ed)), midst, mind, X unawares, understanding.