Meaning

verb gradually deprive (infants and young mammals) of mother's milk

verb detach the affections of

originFrom Middle English wenen, from Old English wenian (“to accustom; habituate; train; prepare; make fit”), from Proto-West Germanic *wannjan, from Proto-Germanic *wanjaną (“to make wont; accustom”), from Proto-Indo-European *wenh₁- (“to strive for; wish; love”). Cognate with Dutch wennen, German gewöhnen, Danish vænne, Swedish vänja, Icelandic venja. Related via PIE to wone, wont, and wonder, and…

Etymology from Wiktionary, CC BY-SA 3.0