To divorce or separate from; to abandon a sweetheart or lover (archaic or dialectal).
From dis- (separation) + wench (from Old English wencle, a girl or young woman, later taking on more derogatory connotations). The dis- prefix indicates reversal of relationship.
This word carries social baggage—calling a woman a 'wench' and then adding 'dis-' to mean abandoning her reflects medieval attitudes. It's fascinating because modern breakup language is so different; we don't gender relationships this way anymore.
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