1 Samuel 1:23
And Elkanah her husband said unto her, Do what seemeth thee good; tarry until thou have weaned him; only the Lord establish his word. So the woman abode, and gave her son suck until she weaned him.
Cross-references
Genesis 21:8
Parallel
Genesis 21:8 describes Isaac's weaning feast; Hannah is waiting to wean Samuel before bringing him to the Lord — a direct parallel.
Numbers 30:7–11
Historical context
Numbers 30:7-11 gives the law of a husband confirming his wife's vow; Elkanah's approval here follows that principle.
2 Samuel 7:25
Parallel
2 Samuel 7:25 has David praying 'establish your word'; Elkanah says 'may the Lord establish His word' — identical phrase.