Among the Hebrews children (whom it was customary for the mothers to nurse, Ex. 2:7-9; 1 Sam. 1:23; Cant. 8:1) were not generally weaned till they were three or four years old.
Easton’s Bible Dictionary
Wean
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.