The story
From earlier crookle (“to bend, twist, make crooked”), equivalent to crook (“to bend”) + -le (frequentative suffix). Compare Dutch kreukelen, Low German krökeln.
Etymology from Wiktionary, CC BY-SA 4.0.
cruckle
Today it means: To stumble after inverting or everting one's foot; to roll (but not necessarily sprain) one's ankle. Full definition →