Etymology
From Middle English spurnen, spornen, from Old English spurnan (“to strike against, kick, spurn, reject; stumble”), from Proto-Germanic *spurnaną (“to tread, kick, knock out”), from Proto-Indo-European *sperH-.
Cognate with Scots spurn (“to strike, push, kick”), German spornen (“to spur on”), Icelandic sporna, spyrna (“to kick”), Latin spernō (“despise, distain, scorn”). Related to spur and spread.