Jewish Publication Society of America Version (JPS1917) - Genesis 21:8 >

And the child grew, and was weaned. And Abraham made a great feast on the day that Isaac was weaned.

King James Version (KJV) - Genesis 21:8 >

And the child grew, and was weaned: and Abraham made a great feast the [same] day that Isaac was weaned.

Berean Study Bible (BSB) - Genesis 21:8 >

So the child grew and was weaned, and Abraham held a great feast on the day Isaac was weaned.