אָב
From LSJ
Πενίαν φέρειν καὶ γῆράς ἐστι δύσκολον → Tolerare inopiam cum senectute arduum est → Im Alter Armut zu ertragen ist gar schwer
English (Strong)
a primitive word; father, in a literal and immediate, or figurative and remote application): chief, (fore-)father(-less), X patrimony, principal. Compare names in "Abi-".