בַּר

From LSJ

Ζήσεις βίον κράτιστον, ἢν θυμοῦ κρατῇς → Vives bene, si sis vacuus iracundia → Am besten lebst du, wenn du deinen Zorn beherrschst

Menander, Monostichoi, 186

English (Strong)

(Aramaic) corresponding to בֵּן; a son, grandson, etc.: X old, son.
borrowed (as a title) from בַּר; the heir (apparent to the throne): son.