From Middle English cripel, crepel, crüpel, from Old English crypel (“crippled; a cripple”), from Proto-Germanic *krupilaz (“tending to crawl; a cripple”), from Proto-Indo-European *grewb- (“to bend, crouch, crawl”), from Proto-Indo-European *ger- (“to bend, twist”), equivalent to creep + -le. Cognate with Dutch kreupel, Low German Kröpel, German Krüppel, Old Norse kryppill.