WEB
It happened at the end of forty years, that Absalom said to the king, “Please let me go and pay my vow, which I have vowed to Yahweh, in Hebron.
YLT
And it cometh to pass, at the end of forty years, that Absalom saith unto the king, ‘Let me go, I pray thee, and I complete my vow, that I vowed to Jehovah in Hebron,